Tion words are nouns built by adding the suffix -tion to a verb, so act becomes action and educate becomes education. The ending names the act, the process, or the result, and English has well over a thousand of them, from six letters up to seventeen. Find the verb underneath and the meaning follows.
Tion Words List With Meanings
Action, education, creation, information and communication are the tion words English uses most. The ending is pronounced shun, and the stress falls on the syllable directly before it every time.

| Word | Meaning |
|---|---|
| Action | Something done |
| Nation | A country and the people who live under one government |
| Relation | A connection between two people, or between two facts |
| Solution | An answer to a problem |
| Question | A request for information |
| Attention | Focus given to one thing at a time |
| Station | A stopping place for trains, or a base for work or broadcasting |
| Motion | Movement |
| Election | A formal vote to choose someone |
| Operation | A planned activity, or a medical procedure |
| Education | Teaching, learning, or training |
| Decoration | Something added to make a place look better |
| Generation | People born around the same time |
| Application | A formal request, or a program on a phone or computer |
| Observation | Watching something closely enough to notice what happens |
| Preparation | Getting ready before something starts |
| Explanation | A statement that makes something understandable |
| Communication | Sharing information, thoughts, or feelings |
| Representation | Speaking or acting for someone else |
| Transformation | A change so large the original is hard to recognize |
| Classification | The naming of types within a larger group |
| Implementation | Turning a plan or rule into real practice |
| Identification | Naming who or what something is |
| Recommendation | Advice on what to choose or do |
| Translation | Moving words from one language into another |
| Domination | Control held over other people or groups |
| Invitation | A request to attend or join |
| Conservation | Protecting nature, resources, or historic work |
| Estimation | A rough figure worked out without exact measurement |
| Limitation | A boundary on what someone can do |
| Acceleration | An increase in speed |
| Federation | A union of states, groups, or clubs under one body |
| Adaptation | A change made to suit new conditions |
| Foundation | The base a building is built on, or a starting point for anything else |
| Dedication | Long commitment to one goal or person |
| Termination | The point where something stops for good |
| Examination | A test, or a close inspection |
| Proclamation | A public announcement made with authority |
| Reconciliation | Repairing a broken relationship or agreement |
| Differentiation | Telling two similar cases apart |
| Accommodation | A place to stay, or an adjustment made for someone |
| Information | Facts and knowledge about something |
| Constitution | The founding laws that govern a country |
| Administration | The running of an office, school, or government |
| Position | The place something occupies, or the view someone takes |
| Section | One named part of a longer whole |
| Mention | A short reference made in passing |
| Emotion | A feeling such as joy, fear, or anger |
| Creation | The making of something, or the thing made |
| Duration | How long something lasts from start to finish |
What Does The Tion Suffix Mean
The suffix -tion turns a verb into an abstract noun. It names the act itself, the process of doing it, or the result once it is done. Inform is something you do; information is what you end up with. That one shift explains why tion words fill formal writing, where a process, rather than a person, takes the subject slot.
The suffix delivers one of three meanings:
- The act of doing it: creation, narration, demolition.
- The process while it happens: circulation, negotiation, fermentation.
- The result once it is finished: decoration, solution, invention.
Most tion words trace back to Latin through French, which is why so many of them look identical in both languages and why academic and legal English uses so many of them.
| Verb | Tion Word |
|---|---|
| Act | Action |
| Create | Creation |
| Educate | Education |
| Inform | Information |
| Prepare | Preparation |
| Translate | Translation |
| Represent | Representation |
| Contribute | Contribution |
How To Spell Tion Words Correctly
The shun sound at the end of an English noun has four spellings, and the base word decides which one you need. Look at the last letters of the verb before you write anything.
- Write -tion when the base ends in -t, -te, or -ct: collect to collection, educate to education, invent to invention, act to action.
- Write -sion when the base ends in -d, -de, or -se: decide to decision, expand to expansion, revise to revision, extend to extension.
- Write -ssion when the base ends in -ss or -mit: discuss to discussion, express to expression, permit to permission, admit to admission.
- Write -cian when the word names a person and the base ends in -ic: music to musician, magic to magician, politics to politician, electric to electrician.
The single most common error is writing -tion on a base that ends in d. Test the verb first:
Decide + tion, written as decition ❌
Decide + sion, written as decision ✅
Two spelling changes to expect: a base ending in silent -e drops it before the suffix, so create gives creation and decorate gives decoration. A base ending in -y shifts to -i, so modify gives modification and qualify gives qualification.
How To Pronounce Tion Words
The ending -tion is pronounced shun, never tee-on. Nation is NAY-shun, education is ed-yoo-KAY-shun, communication is kuh-myoo-ni-KAY-shun.
Stress works the same way in every tion word: the syllable immediately before -tion takes it, whatever the length of the word. Say in-for-MA-tion, cel-e-BRA-tion, rec-om-men-DA-tion, NA-tion. Guess the stress on a tion word you have never met and you will be right nearly every time.
Two exceptions are worth memorizing. After the letter s, the ending shifts from shun to chun, which affects question, suggestion, digestion, combustion, congestion, exhaustion and bastion. And equation alone takes a zhun ending, pronounced ih-KWAY-zhun.
- The plain on ending: Words Ending In On
Tion Words In Sentences For Practice
Seeing a tion word in position teaches more than a meaning on its own, because these nouns almost always take the subject or object slot rather than the verb slot.
| Word | Sentence |
|---|---|
| Action | His quick action prevented a serious mistake. |
| Attention | The speaker held everyone’s attention until the end. |
| Communication | Better communication cut the confusion inside the team. |
| Creation | The artist talked about the creation of her latest painting. |
| Education | Education opens doors that stay shut otherwise. |
| Explanation | Her explanation answered every question in the room. |
| Foundation | The foundation of the building was damaged by the flood. |
| Information | The report has the information you asked for. |
| Invitation | The invitation arrived by email on Friday morning. |
| Observation | One observation changed the direction of the research. |
| Operation | The rescue operation lasted all night. |
| Preparation | Careful preparation improved the final result. |
| Recommendation | The doctor gave a firm recommendation. |
| Solution | The team found a practical solution within a day. |
| Translation | The translation kept the meaning of the original. |
| Transformation | The city’s transformation took ten years. |
| Question | Every question in the exam came from the syllabus. |
Everyday Words Ending In Tion
These turn up in conversation, signage, and school work, and they are the ones worth spelling correctly first.
- Action, Attention, Caution, Creation, Direction, Education.
- Emotion, Election, Explanation, Information, Invitation, Location.
- Motion, Nation, Operation, Option, Position, Question.
- Relation, Section, Solution, Station, Vacation.
Academic Words Ending In Tion
Essays, lab reports and research papers use tion nouns heavily, because they name a process without naming who performed it.
- Classification, Differentiation, Evaluation, Examination, Explanation, Formation.
- Identification, Interpretation, Investigation, Observation, Representation, Transformation.
- Validation, Verification, Citation.
Business Words Ending In Tion
Workplace English depends on these. A meeting agenda, a job description and a performance review will each use several.
- Administration, Application, Automation, Collaboration, Communication, Compensation.
- Competition, Confirmation, Consultation, Contribution, Coordination, Delegation.
- Documentation, Evaluation, Implementation, Innovation, Integration, Negotiation.
- Organization, Presentation, Production, Promotion, Recommendation, Regulation.
- Resolution, Transaction, Verification.
Science Words Ending In Tion
Scientific writing uses tion nouns to name a mechanism, which is why a physics or biology glossary reads as though half of it shares one ending.
- Absorption, Acceleration, Adaptation, Calculation, Circulation, Combustion.
- Condensation, Decomposition, Digestion, Evaporation, Evolution, Fermentation.
- Filtration, Friction, Hydration, Oxidation, Radiation, Rotation.
- Sedimentation, Ventilation, Vibration, Respiration.
Words Ending In Tion By Length

Six letters is as short as a tion word gets. There are more than 2,381 words with this ending between six and fifteen letters, and ordinary English runs longer still, as far as industrialization at seventeen. Most run to between nine and twelve letters, because the suffix attaches to verbs that are already three or four syllables long.
| Words at each length | What it adds |
|---|---|
| Six Letter Words in English | Every six-letter word, not only the eight that end in tion |
| 7 Letter Words in English | Seven-letter vocabulary with meanings and pictures |
| Eight Letter Words In English | The wider eight-letter set, where tion words first crowd in |
| 10 Letter Words in English | Ten-letter words by use, letter and prefix |
| 11 Letter Words | The A to Z run at the length tion words dominate |
| 12 Letter Words | Twelve-letter words, where -tion and -ness together make thousands |
6 Letter Words Ending In Tion
The shortest tion words take no prefix at all. Each one is a bare root with the ending attached.
| Action | Lotion | Motion |
| Nation | Notion | Option |
| Potion | Ration |
7 Letter Words Ending In Tion
At seven letters the words stay one or two syllables and most of them are everyday vocabulary.
| Auction | Bastion | Caption |
| Caution | Diction | Edition |
| Elation | Emotion | Faction |
| Fiction | Mention | Oration |
| Ovation | Portion | Section |
| Station | Suction | Tuition |
8 Letter Words Ending In Tion
Eight letters is where the Latin roots start showing, and where school spelling lists begin.
| Ablation | Ablution | Abortion |
| Addition | Adoption | Ambition |
| Aviation | Citation | Creation |
| Curation | Deletion | Demotion |
| Devotion | Dilation | Dilution |
| Donation | Duration | Ejection |
| Election | Equation | Erection |
| Eruption | Fixation | Fraction |
| Friction | Fruition | Function |
| Gyration | Ignition | Inaction |
| Junction | Location | Mutation |
| Negation | Notation | Petition |
| Position | Question | Reaction |
| Relation | Rotation | Sanction |
| Sedation | Solution | Taxation |
| Traction | Vacation | Vexation |
| Vocation |
9 Letter Words Ending In Tion
Nine letters is where the prefix forms concentrate: de-, re-, in-, ex- and con- attached to a short root.
| Abduction | Abolition | Accretion |
| Addiction | Adoration | Adulation |
| Advection | Affection | Agitation |
| Animation | Attention | Bisection |
| Coalition | Cognition | Collation |
| Condition | Cremation | Deception |
| Deduction | Defection | Deflation |
| Dejection | Depiction | Detection |
| Detention | Deviation | Dictation |
| Digestion | Direction | Education |
| Elevation | Emanation | Emulation |
| Erudition | Evolution | Exception |
| Execution | Exemption | Extortion |
| Flotation | Formation | Gestation |
| Hydration | Imitation | Inception |
| Induction | Infection | Inflation |
| Ingestion | Injection | Insertion |
| Intention | Intuition | Invention |
| Isolation | Iteration | Lactation |
| Mediation | Migration | Narration |
| Nutrition | Objection | Operation |
| Oxidation | Partition | Pollution |
| Probation | Promotion | Quotation |
| Radiation | Reduction | Rejection |
| Retention | Ruination | Salvation |
| Selection | Sensation | Situation |
| Summation | Tradition | Valuation |
| Variation | Vibration | Violation |
10 Letter Words Ending In Tion
Ten letters is where ordinary reading concentrates. Almost every word here turns up in a newspaper.
| Abdication | Aberration | Abnegation |
| Abrogation | Absolution | Absorption |
| Abstention | Accusation | Activation |
| Adaptation | Admiration | Admonition |
| Adsorption | Affliction | Alienation |
| Allegation | Allocation | Alteration |
| Amputation | Annexation | Annotation |
| Ascription | Aspiration | Assumption |
| Attraction | Automation | Castration |
| Cogitation | Collection | Coloration |
| Combustion | Completion | Conception |
| Conduction | Confection | Conflation |
| Congestion | Connection | Contention |
| Convention | Conviction | Correction |
| Corruption | Decoration | Dedication |
| Defamation | Delegation | Demolition |
| Deposition | Derivation | Desolation |
| Detonation | Diminution | Discretion |
| Disruption | Dissection | Distortion |
| Domination | Elongation | Emigration |
| Escalation | Estimation | Evacuation |
| Evaluation | Excavation | Exhalation |
| Exhaustion | Exhibition | Exhumation |
| Expedition | Exposition | Extinction |
| Extraction | Federation | Flirtation |
| Fumigation | Generation | Graduation |
| Herniation | Hesitation | Imposition |
| Incubation | Indication | Inflection |
| Infraction | Inhalation | Inhibition |
| Initiation | Innovation | Inspection |
| Insulation | Intimation | Intonation |
| Invitation | Invocation | Irrigation |
| Irritation | Jubilation | Laceration |
| Levitation | Liberation | Limitation |
| Locomotion | Maturation | Medication |
| Meditation | Mitigation | Moderation |
| Modulation | Motivation | Mutilation |
| Navigation | Nomination | Obligation |
| Occupation | Opposition | Perception |
| Perfection | Plantation | Population |
| Precaution | Prediction | Prevention |
| Production | Projection | Proportion |
| Protection | Recitation | Recreation |
| Redemption | Reflection | Refraction |
| Regulation | Relaxation | Relegation |
| Relocation | Renovation | Reparation |
| Repetition | Reposition | Reputation |
| Resolution | Retraction | Revelation |
| Sanitation | Saturation | Separation |
| Simulation | Stagnation | Starvation |
| Subjection | Subsection | Suggestion |
| Temptation | Toleration | Transition |
| Ulceration | Validation | Vegetation |
| Veneration |
11 Letter Words Ending In Tion
More tion words are eleven letters long than any other length, built from four-syllable verbs ending in -ate and -ify.
| Abomination | Abstraction | Acclamation |
| Acquisition | Affectation | Affiliation |
| Affirmation | Aggravation | Aggregation |
| Alleviation | Altercation | Appellation |
| Application | Approbation | Arbitration |
| Association | Attenuation | Attestation |
| Attribution | Benediction | Benefaction |
| Bifurcation | Calcination | Calculation |
| Calibration | Captivation | Carbonation |
| Celebration | Cementation | Circulation |
| Collocation | Combination | Commutation |
| Competition | Compilation | Composition |
| Computation | Conjunction | Connotation |
| Consolation | Consumption | Contraction |
| Contraption | Cooperation | Corporation |
| Correlation | Cultivation | Declaration |
| Deformation | Degradation | Dehydration |
| Delineation | Demarcation | Deportation |
| Deprivation | Description | Designation |
| Destination | Destruction | Devaluation |
| Devastation | Dislocation | Disposition |
| Dissipation | Dissolution | Distinction |
| Distraction | Duplication | Edification |
| Elaboration | Elimination | Elucidation |
| Enumeration | Enunciation | Eradication |
| Evaporation | Examination | Exclamation |
| Exhortation | Exoneration | Expectation |
| Explanation | Explication | Exploration |
| Exportation | Extradition | Fabrication |
| Fascination | Fluctuation | Formulation |
| Frustration | Germination | Gravitation |
| Habituation | Hibernation | Humiliation |
| Hyphenation | Idolization | Imagination |
| Immigration | Implication | Importation |
| Incantation | Inclination | Indentation |
| Indignation | Infatuation | Infestation |
| Information | Inoculation | Inscription |
| Insinuation | Inspiration | Instigation |
| Institution | Instruction | Integration |
| Interaction | Lamentation | Legislation |
| Liquidation | Lubrication | Malfunction |
| Mastication | Molestation | Negotiation |
| Observation | Obstruction | Orientation |
| Oscillation | Palpitation | Penetration |
| Percolation | Perforation | Permutation |
| Persecution | Pollination | Preparation |
| Prohibition | Propagation | Proposition |
| Prosecution | Protraction | Provocation |
| Publication | Punctuation | Realization |
| Reclamation | Recognition | Reformation |
| Reiteration | Remediation | Replication |
| Requisition | Reservation | Resignation |
| Respiration | Restoration | Restriction |
| Retaliation | Retribution | Segregation |
| Speculation | Stimulation | Stipulation |
| Subtraction | Suffocation | Supposition |
| Syndication | Termination | Transaction |
| Translation | Tribulation | Unification |
| Utilization | Vaccination | Ventilation |
| Vindication |
12 Letter Words Ending In Tion
Twelve letters brings in the double prefixes and the longer academic vocabulary.
| Abbreviation | Acceleration | Accumulation |
| Adjudication | Adulteration | Alliteration |
| Amalgamation | Amelioration | Annihilation |
| Anticipation | Appreciation | Articulation |
| Assimilation | Augmentation | Cancellation |
| Canonization | Capitulation | Chlorination |
| Civilization | Codification | Commendation |
| Compensation | Complication | Conciliation |
| Condemnation | Condensation | Confirmation |
| Confiscation | Conformation | Congregation |
| Conscription | Consecration | Conservation |
| Constipation | Constitution | Construction |
| Consultation | Continuation | Contribution |
| Conversation | Coordination | Deactivation |
| Decapitation | Deceleration | Deliberation |
| Denunciation | Depreciation | Deregulation |
| Desalination | Dilapidation | Disaffection |
| Disinfection | Dissertation | Distillation |
| Distribution | Emancipation | Exaggeration |
| Exasperation | Exploitation | Facilitation |
| Fermentation | Illumination | Illustration |
| Immunization | Implantation | Inauguration |
| Infiltration | Inflammation | Installation |
| Interception | Interjection | Interruption |
| Intersection | Intervention | Intimidation |
| Introduction | Jurisdiction | Legalization |
| Localization | Malnutrition | Manipulation |
| Memorization | Modification | Notification |
| Optimization | Organization | Pacification |
| Perpetuation | Perspiration | Polarization |
| Prescription | Presentation | Preservation |
| Proclamation | Purification | Ramification |
| Ratification | Recollection | Registration |
| Rejuvenation | Remuneration | Renunciation |
| Reproduction | Resurrection | Satisfaction |
| Subscription | Substitution | Superstition |
| Urbanization | Verification | Vocalization |
Long Tion Words With 13 Letters Or More

Past thirteen letters the words come almost entirely from science, law and administration. Characterization, decentralization and industrialization stretch furthest, and none of the three turns up outside specialist writing.
| Accommodation | Accreditation | Acidification |
| Administration | Afforestation | Agglomeration |
| Amplification | Appropriation | Approximation |
| Argumentation | Authentication | Authorization |
| Beatification | Beautification | Biodegradation |
| Bioremediation | Calcification | Cannibalization |
| Capitalization | Carbonization | Categorization |
| Centralization | Certification | Characterization |
| Clarification | Classification | Collaboration |
| Commemoration | Communication | Concentration |
| Confabulation | Confederation | Configuration |
| Confrontation | Congratulation | Consideration |
| Consolidation | Constellation | Consternation |
| Contamination | Contemplation | Contraception |
| Contradiction | Contravention | Corroboration |
| Crystallization | Customization | Decentralization |
| Decolonization | Decomposition | Deconstruction |
| Defenestration | Deforestation | Democratization |
| Demonstration | Desertification | Deterioration |
| Determination | Detoxification | Differentiation |
| Disambiguation | Disconnection | Disinformation |
| Disintegration | Disorientation | Dissatisfaction |
| Dissemination | Diversification | Documentation |
| Domestication | Electrification | Experimentation |
| Extermination | Extrapolation | Falsification |
| Familiarization | Fertilization | Fortification |
| Fragmentation | Generalization | Globalization |
| Glorification | Gratification | Hallucination |
| Harmonization | Hospitalization | Humidification |
| Hydrogenation | Identification | Impersonation |
| Implementation | Improvisation | Incarceration |
| Incorporation | Incrimination | Industrialization |
| Instrumentation | Interconnection | Interpretation |
| Interrogation | Introspection | Investigation |
| Justification | Juxtaposition | Magnification |
| Manifestation | Mechanization | Misconception |
| Modernization | Multiplication | Mystification |
| Nationalization | Naturalization | Normalization |
| Orchestration | Ornamentation | Participation |
| Personalization | Personification | Precipitation |
| Privatization | Procrastination | Proliferation |
| Pronunciation | Qualification | Quantification |
| Rationalization | Recommendation | Reconciliation |
| Reconstruction | Rectification | Reforestation |
| Refrigeration | Rehabilitation | Reincarnation |
| Representation | Reverberation | Sedimentation |
| Simplification | Socialization | Specialization |
| Specification | Stabilization | Standardization |
| Sterilization | Subordination | Synchronization |
| Transcription | Transformation | Transplantation |
| Transportation | Transposition | Victimization |
| Visualization |
Tion And Sion Words Difference And List
Both endings make the same shun sound, so the ear gives no help at all. The base word does. Use -tion after a base ending in t, te or ct, and -sion after a base ending in d, de or se. Where the rule fails, the pair has to be memorized, and these ten cause the most trouble.
- The matching sion words: Words Ending In Sion
Tion And Sion Minimal Pairs
| Tion Word | Sion Word |
|---|---|
| Action | Decision |
| Attention | Confusion |
| Creation | Division |
| Education | Erosion |
| Election | Expansion |
| Formation | Extension |
| Information | Permission |
| Invitation | Revision |
| Operation | Tension |
| Solution | Vision |
Verb To Noun Pairs
Tracing the noun back to its verb settles the spelling faster than memorizing the noun alone.
| Verb | Noun |
|---|---|
| Create | Creation |
| Educate | Education |
| Inform | Information |
| Prepare | Preparation |
| Decide | Decision |
| Revise | Revision |
| Divide | Division |
| Permit | Permission |
| Discuss | Discussion |
| Extend | Extension |
Words With Tion In The Middle
The letters tion also turn up inside longer words, where the noun has taken a further ending and become an adjective, an adverb, or a person. Nation becomes national, option becomes optional, tradition becomes traditional. Recognizing the tion core inside these makes both the spelling and the meaning easier to work out.
- National, Rational, Optional, Fictional, Emotional.
- Functional, Additional, Conditional, Traditional, Sensational.
- Exceptional, Intentional, Proportional, Educational, Operational.
- Promotional, Informational, Motivational, Nutritional, International.
- Constitutional, Institutional, Questionnaire, Stationary, Stationery.
- Cautionary, Revolutionary, Probationary, Discretionary, Affectionate.
- Auctioneer, Nationality, Rationale.
Words Ending In Tions
Almost every tion word takes a plain -s in the plural. Only the uncountable ones resist, and information is the one that catches you out most.
| Word | Word | Word |
|---|---|---|
| Actions | Applications | Celebrations |
| Communications | Conditions | Connections |
| Decorations | Directions | Elections |
| Explanations | Generations | Invitations |
| Locations | Observations | Operations |
| Preparations | Questions | Relations |
| Recommendations | Solutions | Translations |
British And American Tion Spellings
Tion words built on the verb ending -ise or -ize split across the Atlantic. British writing prefers -isation, American writing uses -ization, and both are correct within their own market.
| British English | American English |
|---|---|
| Organisation | Organization |
| Civilisation | Civilization |
| Authorisation | Authorization |
| Realisation | Realization |
| Specialisation | Specialization |
| Standardisation | Standardization |
| Modernisation | Modernization |
| Privatisation | Privatization |
French Words Ending In Tion
French shares the ending with English because both took it from Latin, and the spelling stayed almost identical. Nearly every French noun ending in -tion is feminine, so it takes la.
| French Word | English Meaning |
|---|---|
| Situation | Situation |
| Population | Population |
| Réaction | Reaction |
| Communication | Communication |
| Décoration | Decoration |
| Invitation | Invitation |
| Nation | Nation |
| Formation | Training or formation |
| Tradition | Tradition |
| Vibration | Vibration |
| Information | Information |
| Organisation | Organization |
| Constitution | Constitution |
| Administration | Administration |
| Position | Position |
| Répétition | Repetition or rehearsal |
| Évolution | Evolution |
| Éducation | Education |
| Direction | Direction or management |
| Manifestation | Demonstration or protest |
Words Ending In Tion From A To Z

Every word from A to Z here ends in -tion and nothing else. Words ending in -sion, -ssion or -cian make the same sound and stay out, because mixing them is what teaches the wrong spelling.
A Words Ending In Tion
| Abbreviation | Abdication | Abduction |
| Aberration | Ablation | Ablution |
| Abnegation | Abolition | Abomination |
| Abortion | Abrogation | Absolution |
| Absorption | Abstention | Abstraction |
| Acceleration | Acclamation | Accommodation |
| Accreditation | Accretion | Accumulation |
| Accusation | Acidification | Acquisition |
| Action | Activation | Adaptation |
| Addiction | Addition | Adjudication |
| Administration | Admiration | Admonition |
| Adoption | Adoration | Adsorption |
| Adulation | Adulteration | Advection |
| Affectation | Affection | Affiliation |
| Affirmation | Affliction | Afforestation |
| Agglomeration | Aggravation | Aggregation |
| Agitation | Alienation | Allegation |
| Alleviation | Alliteration | Allocation |
| Alteration | Altercation | Amalgamation |
| Ambition | Amelioration | Amplification |
| Amputation | Animation | Annexation |
| Annihilation | Annotation | Anticipation |
| Appellation | Application | Appreciation |
| Approbation | Appropriation | Approximation |
| Arbitration | Argumentation | Articulation |
| Ascription | Aspiration | Assimilation |
| Association | Assumption | Attention |
| Attenuation | Attestation | Attraction |
| Attribution | Auction | Augmentation |
| Authentication | Authorization | Automation |
| Aviation |
B Words Ending In Tion
| Word | Word | Word |
|---|---|---|
| Bastion | Beatification | Beautification |
| Benediction | Benefaction | Bifurcation |
| Biodegradation | Bioremediation | Bisection |
C Words Ending In Tion
| Calcification | Calcination | Calculation |
| Calibration | Cancellation | Cannibalization |
| Canonization | Capitalization | Capitulation |
| Caption | Captivation | Carbonation |
| Carbonization | Castration | Categorization |
| Caution | Celebration | Cementation |
| Centralization | Certification | Characterization |
| Chlorination | Circulation | Citation |
| Civilization | Clarification | Classification |
| Coalition | Codification | Cogitation |
| Cognition | Collaboration | Collation |
| Collection | Collocation | Coloration |
| Combination | Combustion | Commemoration |
| Commendation | Communication | Commutation |
| Compensation | Competition | Compilation |
| Completion | Complication | Composition |
| Computation | Concentration | Conception |
| Conciliation | Condemnation | Condensation |
| Condition | Conduction | Confabulation |
| Confection | Confederation | Configuration |
| Confirmation | Confiscation | Conflation |
| Conformation | Confrontation | Congestion |
| Congratulation | Congregation | Conjunction |
| Connection | Connotation | Conscription |
| Consecration | Conservation | Consideration |
| Consolation | Consolidation | Constellation |
| Consternation | Constipation | Constitution |
| Construction | Consultation | Consumption |
| Contamination | Contemplation | Contention |
| Continuation | Contraception | Contraction |
| Contradiction | Contraption | Contravention |
| Contribution | Convention | Conversation |
| Conviction | Cooperation | Coordination |
| Corporation | Correction | Correlation |
| Corroboration | Corruption | Creation |
| Cremation | Crystallization | Cultivation |
| Curation | Customization |
D Words Ending In Tion
| Deactivation | Decapitation | Deceleration |
| Decentralization | Deception | Declaration |
| Decolonization | Decomposition | Deconstruction |
| Decoration | Dedication | Deduction |
| Defamation | Defection | Defenestration |
| Deflation | Deforestation | Deformation |
| Degradation | Dehydration | Dejection |
| Delegation | Deletion | Deliberation |
| Delineation | Demarcation | Democratization |
| Demolition | Demonstration | Demotion |
| Denunciation | Depiction | Deportation |
| Deposition | Depreciation | Deprivation |
| Deregulation | Derivation | Desalination |
| Description | Desertification | Designation |
| Desolation | Destination | Destruction |
| Detection | Detention | Deterioration |
| Determination | Detonation | Detoxification |
| Devaluation | Devastation | Deviation |
| Devotion | Dictation | Diction |
| Differentiation | Digestion | Dilapidation |
| Dilation | Dilution | Diminution |
| Direction | Disaffection | Disambiguation |
| Disconnection | Discretion | Disinfection |
| Disinformation | Disintegration | Dislocation |
| Disorientation | Disposition | Disruption |
| Dissatisfaction | Dissection | Dissemination |
| Dissertation | Dissipation | Dissolution |
| Distillation | Distinction | Distortion |
| Distraction | Distribution | Diversification |
| Documentation | Domestication | Domination |
| Donation | Duplication | Duration |
E Words Ending In Tion
| Edification | Edition | Education |
| Ejection | Elaboration | Elation |
| Election | Electrification | Elevation |
| Elimination | Elongation | Elucidation |
| Emanation | Emancipation | Emigration |
| Emotion | Emulation | Enumeration |
| Enunciation | Equation | Eradication |
| Erection | Erudition | Eruption |
| Escalation | Estimation | Evacuation |
| Evaluation | Evaporation | Evolution |
| Exaggeration | Examination | Exasperation |
| Excavation | Exception | Exclamation |
| Execution | Exemption | Exhalation |
| Exhaustion | Exhibition | Exhortation |
| Exhumation | Exoneration | Expectation |
| Expedition | Experimentation | Explanation |
| Explication | Exploitation | Exploration |
| Exportation | Exposition | Extermination |
| Extinction | Extortion | Extraction |
| Extradition | Extrapolation |
F Words Ending In Tion
| Fabrication | Facilitation | Faction |
| Falsification | Familiarization | Fascination |
| Federation | Fermentation | Fertilization |
| Fiction | Fixation | Flirtation |
| Flotation | Fluctuation | Formation |
| Formulation | Fortification | Fraction |
| Fragmentation | Friction | Fruition |
| Frustration | Fumigation | Function |
G Words Ending In Tion
| Generalization | Generation | Germination |
| Gestation | Globalization | Glorification |
| Graduation | Gratification | Gravitation |
| Gyration |
H Words Ending In Tion
| Habituation | Hallucination | Harmonization |
| Herniation | Hesitation | Hibernation |
| Hospitalization | Humidification | Humiliation |
| Hydration | Hydrogenation | Hyphenation |
I Words Ending In Tion
| Identification | Idolization | Ignition |
| Illumination | Illustration | Imagination |
| Imitation | Immigration | Immunization |
| Impersonation | Implantation | Implementation |
| Implication | Importation | Imposition |
| Improvisation | Inaction | Inauguration |
| Incantation | Incarceration | Inception |
| Inclination | Incorporation | Incrimination |
| Incubation | Indentation | Indication |
| Indignation | Induction | Industrialization |
| Infatuation | Infection | Infestation |
| Infiltration | Inflammation | Inflation |
| Inflection | Information | Infraction |
| Ingestion | Inhalation | Inhibition |
| Initiation | Injection | Innovation |
| Inoculation | Inscription | Insertion |
| Insinuation | Inspection | Inspiration |
| Installation | Instigation | Institution |
| Instruction | Instrumentation | Insulation |
| Integration | Intention | Interaction |
| Interception | Interconnection | Interjection |
| Interpretation | Interrogation | Interruption |
| Intersection | Intervention | Intimation |
| Intimidation | Intonation | Introduction |
| Introspection | Intuition | Invention |
| Investigation | Invitation | Invocation |
| Irrigation | Irritation | Isolation |
| Iteration |
J Words Ending In Tion
| Jubilation | Junction | Jurisdiction |
| Justification | Juxtaposition |
L Words Ending In Tion
| Laceration | Lactation | Lamentation |
| Legalization | Legislation | Levitation |
| Liberation | Limitation | Liquidation |
| Localization | Location | Locomotion |
| Lotion | Lubrication |
M Words Ending In Tion
| Magnification | Malfunction | Malnutrition |
| Manifestation | Manipulation | Mastication |
| Maturation | Mechanization | Mediation |
| Medication | Meditation | Memorization |
| Mention | Migration | Misconception |
| Mitigation | Moderation | Modernization |
| Modification | Modulation | Molestation |
| Motion | Motivation | Multiplication |
| Mutation | Mutilation | Mystification |
N Words Ending In Tion
| Narration | Nation | Nationalization |
| Naturalization | Navigation | Negation |
| Negotiation | Nomination | Normalization |
| Notation | Notification | Notion |
| Nutrition |
O Words Ending In Tion
| Objection | Obligation | Observation |
| Obstruction | Occupation | Operation |
| Opposition | Optimization | Option |
| Oration | Orchestration | Organization |
| Orientation | Ornamentation | Oscillation |
| Ovation | Oxidation |
P Words Ending In Tion
| Pacification | Palpitation | Participation |
| Partition | Penetration | Perception |
| Percolation | Perfection | Perforation |
| Permutation | Perpetuation | Persecution |
| Personalization | Personification | Perspiration |
| Petition | Plantation | Polarization |
| Pollination | Pollution | Population |
| Portion | Position | Potion |
| Precaution | Precipitation | Prediction |
| Preparation | Prescription | Presentation |
| Preservation | Prevention | Privatization |
| Probation | Proclamation | Procrastination |
| Production | Prohibition | Projection |
| Proliferation | Promotion | Pronunciation |
| Propagation | Proportion | Proposition |
| Prosecution | Protection | Protraction |
| Provocation | Publication | Punctuation |
| Purification |
Q Words Ending In Tion
| Qualification | Quantification | Question |
| Quotation |
R Words Ending In Tion
| Radiation | Ramification | Ratification |
| Ration | Rationalization | Reaction |
| Realization | Recitation | Reclamation |
| Recognition | Recollection | Recommendation |
| Reconciliation | Reconstruction | Recreation |
| Rectification | Redemption | Reduction |
| Reflection | Reforestation | Reformation |
| Refraction | Refrigeration | Registration |
| Regulation | Rehabilitation | Reincarnation |
| Reiteration | Rejection | Rejuvenation |
| Relation | Relaxation | Relegation |
| Relocation | Remediation | Remuneration |
| Renovation | Renunciation | Reparation |
| Repetition | Replication | Reposition |
| Representation | Reproduction | Reputation |
| Requisition | Reservation | Resignation |
| Resolution | Respiration | Restoration |
| Restriction | Resurrection | Retaliation |
| Retention | Retraction | Retribution |
| Revelation | Reverberation | Rotation |
| Ruination |
S Words Ending In Tion
| Salvation | Sanction | Sanitation |
| Satisfaction | Saturation | Section |
| Sedation | Sedimentation | Segregation |
| Selection | Sensation | Separation |
| Simplification | Simulation | Situation |
| Socialization | Solution | Specialization |
| Specification | Speculation | Stabilization |
| Stagnation | Standardization | Starvation |
| Station | Sterilization | Stimulation |
| Stipulation | Subjection | Subordination |
| Subscription | Subsection | Substitution |
| Subtraction | Suction | Suffocation |
| Suggestion | Summation | Superstition |
| Supposition | Synchronization | Syndication |
T Words Ending In Tion
| Taxation | Temptation | Termination |
| Toleration | Traction | Tradition |
| Transaction | Transcription | Transformation |
| Transition | Translation | Transplantation |
| Transportation | Transposition | Tribulation |
| Tuition |
U Words Ending In Tion
| Ulceration | Unification | Urbanization |
| Utilization |
V Words Ending In Tion
| Vacation | Vaccination | Validation |
| Valuation | Variation | Vegetation |
| Veneration | Ventilation | Verification |
| Vexation | Vibration | Victimization |
| Vindication | Violation | Visualization |
| Vocalization | Vocation |
50 Tion Words To Learn First
If you are working through this ending for an exam or a spelling test, start here. These fifty have the highest frequency in written English and the base verb behind each one is already familiar.
| Action | Addition | Attention |
| Celebration | Collection | Communication |
| Condition | Connection | Construction |
| Conversation | Creation | Decoration |
| Direction | Education | Election |
| Emotion | Equation | Examination |
| Explanation | Foundation | Function |
| Generation | Imagination | Information |
| Instruction | Invention | Invitation |
| Location | Motion | Nation |
| Operation | Option | Organization |
| Population | Position | Preparation |
| Presentation | Production | Protection |
| Question | Reaction | Relation |
| Section | Situation | Solution |
| Station | Suggestion | Tradition |
| Translation | Vacation |
FAQs
Yes. Every word ending in -tion is a noun, and almost all of them are abstract nouns naming an act, a process, or a result. Action, education, creation and communication all work as the subject or object of a sentence, never as the verb. The related verb is the base word underneath: act, educate, create, communicate.
The suffix -tion means the act of, the process of, or the result of whatever the base verb describes. Inform gives information, the thing you end up with. Decorate gives decoration, both the activity and the object hanging on the wall. Which of the three meanings applies depends on the sentence.
Use -tion when the base word ends in t, te or ct, as in collect to collection and educate to education. Use -sion when the base ends in d, de or se, as in decide to decision and revise to revision. Checking the last letters of the verb settles most cases without memorizing anything.
In most cases yes, since both endings are pronounced shun. Action and decision rhyme on the final syllable despite the different spelling. The exception is -tion after the letter s, which shifts to chun in question, suggestion, digestion and combustion.
The most frequent are action, nation, question, station, section, solution, attention, education, information, communication, position and situation. Each one is built on a verb or root that English speakers already use daily, which is why they were absorbed so early.
Industrialization at seventeen letters is the longest in general use, followed by characterization and decentralization at sixteen. In ordinary reading the longest you meet are recommendation, differentiation, reconciliation, representation and administration, all of which run to fourteen or fifteen letters.
Nearly all take a plain -s: action to actions, question to questions, recommendation to recommendations. No spelling change happens before the s, because the ending is already a consonant plus vowel plus n.
Yes, but it is uncountable, so it takes no plural and no a. Write information, some information or pieces of information, never informations. Transportation, education and pollution behave the same way, while action, solution and question count normally.
Nearly all of them are, so they take la: la nation, la situation, la communication, la décoration. The spelling matches English closely enough that most meanings transfer directly, though formation means training and manifestation means a protest.
Action, addition, attention, celebration, collection, communication, condition, connection, construction, conversation, creation, decoration, direction, education, election, emotion, equation, examination, explanation, foundation and thirty more make up the fifty worth learning first. Each was chosen for frequency in written English rather than length.
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