Some 18 letter words are ones you already use. You will find telecommunications in the business pages and misinterpretations in any court report, so neither looks strange to you on the page. Push one letter further and that stops being true, because almost everything longer is medical or chemical.
List Of 18 Letter Words
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An 18 letter word is an English word made of exactly 18 letters. Around 1,800 of them exist, and most were built by stacking prefixes and endings onto a much shorter word. That is why misinterpretations is really interpret with four extra parts attached to it.
P alone accounts for more words of this length than any other letter, followed by C, S, M, and O. At the thin end, only a handful begin with W, and none at all begin with Y. Add one more letter and W disappears completely, since no 19 letter words start with it. Roughly 550 of these words contain a doubled letter, which is what makes them so awkward to spell from memory.
18 Letter Words Starting With A
- Absentmindednesses
- Aceruloplasminemia
- Acetylaminobenzene
- Acoustoelectricity
- Acrylamidoglycolic
- Acylphloroglucinol
- Adenocarcinomatous
- Adenomyxosarcomata
- Administrationists
- Administratorships
- Aeromicrobiologist
- Aerothermodynamics
- Agammaglobulinemia
- Alcoholometrically
- Allylthiocarbamide
- Alphabetologically
- Aluminothermically
- Alumohydrocalcites
- Alumoklyuchevskite
- Aminoacetophenones
- Aminoanthraquinone
- Aminobenzaldehydes
- Anaesthesiologists
- Anagrammatizations
- Anarchosyndicalism
- Anarchosyndicalist
- Androdioeciousness
- Aneurysmorrhaphies
- Angiocardiographer
- Angiocardiographic
- Angiocholecystites
- Angiocholecystitic
- Angiocholecystitis
- Angioelephantiasis
- Angiostrongyliasis
- Anthropobiological
- Anthropobiologists
- Anthropocentricity
- Anthropogeographer
- Anthropogeographic
- Anthropometrically
- Anthropomorphising
- Anthropomorphitism
- Anthropomorphizing
- Anthropomorphology
- Anthropomorphously
- Anthropophagically
- Anthropophaginians
- Anthroposophically
- Antiaggressionists
- Antiaggressiveness
- Anticapitalistical
- Anticentralization
- Anticeremonialists
- Anticholinesterase
- Anticommercialists
- Anticonstitutional
- Antidevolutionists
- Antieducationalist
- Antifundamentalist
- Antihierarchically
- Antiindividualists
- Antiinflammatories
- Antimonarchianists
- Antinonconformists
- Antipetrarchianism
- Antivivisectionist
- Apophthegmatically
- Arachibutyrophobes
- Arachibutyrophobia
- Arachibutyrophobic
- Archaeoastronomers
- Archaeoastronomies
- Archaeobotanically
- Archaeographically
- Archeogeologically
- Artificialisations
- Artificializations
- Asthenospherically
- Astrophotographers
- Astrophotographies
- Autoagglutinations
- Autoallopolyploids
- Autoallopolyploidy
- Autoanticomplement
- Autobiographically
- Autodecrementation
- Autodifferentiated
- Autodifferentiates
- Autohaemagglutinin
- Autohaemotherapies
- Autohaemotherapist
- Autohemagglutinins
- Autohemotherapists
- Autohybridizations
- Autoincrementation
- Autolithographical
- Autophosphorylated
- Autophosphorylates
- Autophosphorylator
- Autoradiographical
- Autosuggestibility
- Autosuggestionists
- Autosuggestiveness
- Autoxidizabilities
18 Letter Words Starting With B
- Bacillariophyceans
- Bacteriorhodopsins
- Bacteriostatically
- Ballistocardiogram
- Barytostrontianite
- Basidiobolomycosis
- Benzenylamidoximes
- Benzophenothiazine
- Benzylisoquinoline
- Biocompatibilities
- Biodegradabilities
- Bioelectrodynamics
- Bioelectromagnetic
18 Letter Words Starting With C
- Calciphylactically
- Calyptrodermatogen
- Campylobacteriosis
- Carboxyhemoglobins
- Carboxypenicillins
- Cardioaccelerators
- Cathodoluminescent
- Centrifugalisation
- Centrifugalization
- Cerebrohepatorenal
- Ceremonialisations
- Ceremonializations
- Chalcogenapyrylium
- Characteristically
- Characteristicness
- Charlatanistically
- Chemicophysiologic
- Chemoheterotrophal
- Chemoheterotrophic
- Chemoorganotrophal
- Chemoorganotrophic
- Chemoreceptivities
- Chemoselectivities
- Chemosensitivities
- Chemostratigrapher
- Chemostratigraphic
- Chemosynthetically
- Chemotaxonomically
- Chemotherapeutical
- Chenodeoxycholates
- Chickenheartedness
- Chlorarachniophyte
- Chlorodeoxyuridine
- Chlorofluorocarbon
- Chloroformisations
- Chloroformizations
- Chlorohydrocarbons
- Chlorohydroquinone
- Chloromethylphenyl
- Chloronaphthalenes
- Chlortetracyclines
- Cholangiocarcinoma
- Cholecystocolotomy
- Cholecystographies
- Chondrodystrophies
- Chondrofibromatous
- Chondrogenetically
- Chondromyxosarcoma
- Chorioepitheliomas
- Chromolithographed
- Chromolithographer
- Chromolithographic
- Chronobiologically
- Chronophotographic
- Chronostratigraphy
- Chronothermometers
- Circumlocutionally
- Circumlocutionists
- Circumnavigational
- Compartmentalizing
- Counterintuitively
- Counterreformation
18 Letter Words Starting With D
- Dactylographically
- Decarboxylizations
- Dechristianisation
- Dechristianization
- Decollectivisation
- Decollectivization
- Deconstructionists
- Decriminalisations
- Decriminalizations
- Decrystallisations
- Decrystallizations
- Dedifferentiations
- Deglycerolizations
- Dehydrochlorinases
- Dehydrochlorinated
- Dehydrochlorinates
- Dehydrogenisations
- Dehydrogenizations
- Deinstitutionalise
- Deinstitutionalize
- Deintellectualized
- Deintellectualizes
- Dematerialisations
- Dematerializations
- Demathematisations
- Demathematizations
- Demythologisations
- Demythologizations
- Denationalisations
- Denationalizations
- Dendrochronologies
- Dendrochronologist
- Denominationalised
- Denominationalises
- Denominationalisms
- Denominationalists
- Denominationalized
- Denominationalizes
- Deoxyribonucleases
- Depathologisations
- Depathologizations
- Disenfranchisement
- Disproportionately
- Distinguishability
18 Letter Words Starting With E
- Echocardiographers
- Ecotoxicologically
- Elastomechanically
- Electroacupuncture
- Electrocapillarity
- Electrocardiograms
- Electrocardiograph
- Electrocardiophone
- Electrocatalytical
- Electrocauterising
- Electrocauterizing
- Electrochemistries
- Electrochromically
- Electrochronograph
- Electrochronometer
- Electrochronometry
- Electrocoagulating
- Electrocoagulation
- Electrocoagulators
- Electrocolloidally
- Electrocommunicate
- Electroconductives
- Electrocontractile
- Electrocorticogram
- Electrocystoscopes
- Electrocystoscopic
- Electrodepositable
- Electrodepositions
- Electrodesiccating
- Electrodesiccation
- Electrodesiccators
- Electrodiagnostics
- Electrodissolution
- Electrodynamically
- Electrodynamometer
- Electroejaculating
- Establishmentarian
- Evapotranspiration
18 Letter Words Starting With F
- Faciodigitogenital
- Fibrocartilaginous
- Foredeterminations
- Forethoughtfulness
- Fractionalisations
- Fractionalizations
18 Letter Words Starting With G
- Galactopyranosides
- Galvanocauterising
- Galvanocauterizing
- Galvanothermometer
- Ganglioneuromatous
- Gastroduodenostomy
- Gastroenterologist
- Gedankenexperiment
- Gelatinisabilities
- Gelatinizabilities
- Generalisabilities
- Generalisationally
- Generalizabilities
- Generalizationally
- Glomerulonephritis
18 Letter Words Starting With H
- Haemagglutinations
- Haematocytogenesis
- Haematogenetically
- Haemoconcentration
- Haemoglobinometers
- Hectotriadiohedral
- Hectotriadiohedron
- Hellenocentrically
- Hemangiopericytoma
- Hematodynamometers
- Hemiachromatopsias
- Hemiarthroplasties
- Hemicorporectomies
- Hemidemisemiquaver
- Hemilaryngectomies
- Hemoagglutinations
- Hemoglobinopathies
- Hemophagocytically
- Hemopneumothoraxes
- Hemorrhoidectomies
- Hepatoduodenostomy
- Hepatosplenomegaly
- Heptapentagesimals
- Heresiographically
- Hermaphroditically
- Heterotransplanted
- Hexakisoctahedrons
- Hexakistetrahedral
- Hexakistetrahedric
- Hexakistetrahedron
- Hexamethylbenzenes
- Histocompatibility
- Histomorphological
- Historicogeography
- Hydroxychloroquine
- Hypoparathyroidism
18 Letter Words Starting With I
- Iatromathematician
- Ichthyomorphically
- Ichthytaxidermists
- Icosidodecahedrons
- Immunocytochemical
- Immunocytochemists
- Immunodeficiencies
- Immunofluorescence
- Immunohematologist
- Immunohistochemics
- Immunohistochemist
- Immunopathogenesis
- Immunopathological
- Immunopathologists
- Immunoprecipitated
- Immunoprecipitates
- Immunoreactivities
- Immunoscintigraphy
- Immunosuppressants
- Incommensurability
- Inconsequentiality
- Institutionalizing
- Interchangeability
- Intercommunication
- Interconnectedness
- Internationalizing
18 Letter Words Starting With J, K
- Jurisprudentialist
- Keratoatrophoderma
- Keratoconjunctitis
- Keratoelastoidosis
18 Letter Words Starting With L
- Laparothoracoscopy
- Laryngotrachectomy
- Lepidopterological
- Lepidopterologists
- Lightheartednesses
- Lipopolysaccharide
- Lithoheterotrophal
- Lithoheterotrophic
18 Letter Words Starting With M
- Macroglobulinemias
- Macroinvertebrates
- Macromorphological
- Macrophanerophytes
- Macrophanerophytic
- Macrophotographies
- Magnetochemistries
- Magnetoelectricity
- Magnetogasdynamics
- Magnetospherically
- Mandibulomaxillary
- Mandibulopalpebral
- Mathematicisations
- Mathematicizations
- Mechanochemistries
- Mechanoluminescent
- Mechanomorphically
- Melodramatisations
- Melodramatizations
- Membranocalcareous
- Membranocoriaceous
- Mercantilistically
- Metabolisabilities
- Metabolizabilities
- Metadichlorbenzene
- Metalinguistically
- Metallographically
- Metalloproteinases
- Metallotherapeutic
- Metaphysicisations
- Metaphysicizations
- Methaemoglobinemia
- Methaemoglobinuria
- Methemoglobinemias
- Methylacetanilides
- Methylamphetamines
- Methylcholanthrene
- Methylcyclobutanes
- Methylcyclobutenes
- Methylcyclohexanes
- Methylcyclohexenes
- Methylcyclopentane
- Methylcyclopentene
- Methylcyclopropane
- Methylcyclopropene
- Misidentifications
- Misinterpretations
- Misrepresentations
- Mucopolysaccharide
18 Letter Words Starting With N
- Nanoemulsification
- Nanoencapsulations
- Nanolithographical
- Neovascularization
- Nephroureterectomy
- Neurocristopathies
- Neurocysticercosis
- Neurodegenerations
- Neuroendocrinology
- Neuropharmacologic
- Neurophysiological
- Neurophysiologists
- Neuropsychiatrists
- Neuropsychological
- Neuropsychologists
- Neurotoxicologists
- Neurotransmissions
- Nitrobenzaldoximes
- Nonagintilliardths
- Nonarchitecturally
- Nonatmospherically
- Nonauthoritatively
- Noncardiopulmonary
- Noncarnivorousness
- Nonclassifications
- Noncommunicability
- Noncommunicational
- Noncommunicatively
- Noncommunistically
- Nonconfrontational
- Noncontemporaneity
- Noncontemporaneous
- Noncontroversially
- Nonconvertibleness
- Noncooperationists
- Noncorticosteroids
- Noncosmopolitanism
- Nondestructiveness
- Nondeterminatively
- Nondeterministical
- Nondevelopmentally
- Nondifferentiation
- Nondimensionalised
- Nondimensionalized
- Nondistinguishable
18 Letter Words Starting With O
- Obstructionistical
- Occidentalisations
- Occidentalizations
- Occipitoanteriorly
- Occipitoparietally
- Occipitosphenoidal
- Octakishexahedrons
- Octingentillionths
- Octogintilliardths
- Octotrigintillions
- Octovigintillionth
- Oculocraniosomatic
- Oligodendrogliomas
- Omphaloischiopagus
- Oophorhysterectomy
- Operationalisation
- Operationalization
- Ophthalmotonometer
- Ophthalmotonometry
- Organophosphazenes
- Organopolysiloxane
- Ornamentalisations
- Ornamentalizations
- Ornithogeographers
- Orthobenzoquinones
- Orthogonalisations
- Orthogonalizations
- Orthosymmetrically
- Osseocartilaginous
- Osteochondromatous
- Osteochondrophytes
- Osteochondrophytic
- Osteoradionecrosis
- Ostreodynamometers
- Overaccommodations
- Overaccomplishment
- Overaggressiveness
- Overapprehensively
- Overapproximations
- Overcapitalisation
- Overcapitalization
- Overcensoriousness
- Overcentralisation
- Overcentralization
- Overcertifications
- Overrepresentation
- Oversimplification
- Ovolactovegetarian
18 Letter Words Starting With P
- Pachycephalosaurus
- Palaeoanthropology
- Palaeobiochemicals
- Palaeobiochemistry
- Palaeobiogeography
- Palaeobiologically
- Palaeoceanographer
- Palaeoceanographic
- Palaeoclimatically
- Palaeoclimatologic
- Palaeodendrologies
- Palaeodendrologist
- Palaeoecologically
- Palaeoentomologies
- Palaeoentomologist
- Palaeoenvironments
- Palaeoethnographer
- Palaeoethnographic
- Palaeoethnological
- Palaeoethnologists
- Palaeogeographical
- Palaeogeologically
- Palaeoherpetologic
- Palaeohistological
- Palaeohistologists
- Palaeohydrographic
- Palaeoichthyologic
- Palaeolimnological
- Palaeolimnologists
- Palaeopathological
- Palaeopathologists
- Palaeotypographist
- Palaeozoologically
- Paleoanthropologic
- Paleobiogeographer
- Paleobiogeographic
- Paleoceanographers
- Paleoceanographies
- Paleoclimatologies
- Paleoclimatologist
- Paleodendrological
- Paleodendrologists
- Paleoentomological
- Paleoentomologists
- Paleoenvironmental
- Paleoethnographers
- Paleoethnographies
- Paleoherpetologist
- Paleoichthyologist
- Paleophysiographic
- Paleophysiological
- Paleophysiologists
- Paleotypographical
- Paleotypographists
- Pancreatectomising
- Pancreatectomizing
- Pancreaticosplenic
- Papuloerythematous
- Paradichlorbenzene
- Paradichlorobenzol
- Paraliageosyncline
- Paralleloflatitude
- Parallelogrammatic
- Particularisations
- Particularizations
- Pathophysiological
- Paurometamorphosis
- Pentachlorophenols
- Pentadodecahedrons
- Pentagrammatically
- Pentylenetetrazole
- Pentylenetetrazols
- Peptostreptococcus
- Perchloroethylenes
- Perfluoropolyether
- Pericardiocenteses
- Pericardiocentesis
- Pericraniocervical
- Periosteocutaneous
- Permineralizations
- Peroxymonosulfuric
- Perpendicularities
- Pescovegetarianism
- Petrosomatoglyphic
- Phaeochromocytomas
- Phallocentricities
- Phantasmagorically
- Pharmacomechanical
- Pharmacotoxicology
- Pharyngoepiglottic
- Pharyngoesophageal
- Pharyngolaryngitis
- Phenanthraquinones
- Phenomenalisations
- Phenomenalizations
- Phenomenologically
- Phenylacetaldehyde
- Pheochromocytomata
- Philanthropisation
- Philanthropization
- Philosophistically
- Psychopharmacology
18 Letter Words Starting With Q
- Quadragintilliards
- Quadragintillionth
- Quadringentilliard
- Quadringentillions
- Quantificationally
- Quattuordecilliard
18 Letter Words Starting With R
- Radiochromatograms
- Radiocinematograph
- Radiocommunicating
- Radiocommunication
- Radioimmunotherapy
- Radioluminescences
- Radiometeorographs
- Radiophotographies
- Radiosensitivities
- Radiosensitization
- Radiosterilization
- Radiosymmetrically
- Radiotelegraphists
- Radiotherapeutists
- Recapitulationists
- Recharacterisation
- Recharacterization
- Reconstructionisms
- Reconstructionists
- Recriminalisations
- Recriminalizations
- Recrystallisations
- Recrystallizations
- Reductionistically
- Reendothelialising
- Reendothelializing
- Refamiliarizations
- Regioselectivities
- Representativeness
18 Letter Words Starting With S
- Saccharimetrically
- Saccharometabolism
- Saccharometrically
- Sarcoenchondromata
- Sclerochronologist
- Sedimentologically
- Seismocardiographs
- Seismocardiography
- Seismoelectrically
- Selfdiagnostically
- Semibiographically
- Semiconductivities
- Semiconservatively
- Semidemisemiquaver
- Semihydrobenzoinic
- Semimetaphorically
- Semimicrochemistry
- Seminonconformists
- Semiproductiveness
- Semiprofessionally
- Semiquantitatively
- Semirespectability
- Semitransparencies
- Sensationalisation
- Sensationalization
- Sensationistically
- Sentimentalisation
- Sentimentalization
- Septemvigintillion
- Septendecilliardth
- Septendecillionths
- Septingentillionth
- Septuagintilliards
- Septuagintillionth
- Sesquicentennially
- Sesquipedalianisms
- Sesquipedaliophobe
- Sesquipedalophobes
- Sesquipedalophobia
- Sesquipedalophobic
- Sestrigintillionth
- Sesvigintillionths
- Sexagintilliardths
- Shortsightednesses
- Siderodromophobics
- Sigmoidorectostomy
- Silicohydrocarbons
- Socioeducationally
- Somaticosplanchnic
- Somnambulistically
- Spectrocolorimeter
- Spectrocolorimetry
- Spectrofluorimeter
- Spectrofluorometer
18 Letter Words Starting With T
- Tachistoscopically
- Taphrogeosynclinal
- Taphrogeosynclines
- Taurodeoxycholates
- Telecommunications
- Telehydrobarometer
- Teletranscriptions
- Terephthalaldehyde
- Terpolymerisations
- Terpolymerizations
- Territorialisation
- Territorialization
- Testimonialisation
- Testimonialization
- Tetrachloroethenes
- Tetracontapeptides
- Tetrafluoroethanes
- Tetrakaidecahedral
- Tetrakaidecahedric
- Tetrakaidecahedron
- Tetrakishexahedral
- Tetrakishexahedric
- Tetrakishexahedron
- Tetrasymmetrically
- Tetrathiophosphate
- Theatricalisations
- Theatricalizations
- Thermoacoustically
- Thermochemotherapy
- Thermocoagulations
- Thermoelectrically
- Thermoelectrometer
- Thermoelectronical
- Thermogalvanometer
- Thermogeographical
- Thermogravimetrics
- Transmogrification
- Transubstantiation
18 Letter Words Starting With U
- Ultracentrifugally
- Ultraconcentrating
- Ultraconcentration
- Ultraconcentrators
- Ultraconscientious
- Ultraconservatisms
- Ultraconservatives
- Ultrafilterability
- Ultramicrobacteria
- Ultramicrochemical
- Ultramicroscopical
- Ultranationalistic
- Ultrarealistically
- Ultrasophisticated
- Unacclimatizations
- Unaccountabilities
- Unaccumulativeness
- Unacknowledgedness
- Unambidextrousness
- Unappreciativeness
- Unapprehensiveness
- Unapproachableness
- Unbureaucratically
- Uncapitalistically
- Uncatastrophically
- Unclassifiableness
- Uncompartmentalize
- Unconformabilities
- Unconstitutionally
- Uncontrollableness
- Uncopyrightability
- Undecicentillionth
- Underaccelerations
- Underaccentuations
18 Letter Words Starting With V
- Vapocauterizations
- Vasoepididymostomy
- Vectorcardiography
- Ventrocystorrhaphy
- Verisimilitudinous
- Vernacularisations
- Vernacularizations
- Videogrametrically
- Videonystagmograms
- Videonystagmograph
- Viginticentillions
18 Letter Words Starting With W To Z
- Weatherforecasters
- Willingheartedness
- Xanthoastrocytomas
- Zosterophyllophyte
- Zygomaticoalveolar
- Zygomaticosphenoid
- Zygomaticotemporal
Common 18 Letter Words With Meanings
Thirty of these words turn up in ordinary reading: news reports, court coverage, medical letters, science writing. At this length English finally crosses back into everyday territory, so these are worth learning rather than admiring.
- Telecommunications: the sending of messages and data over distance by phone, cable, satellite, or internet.
- Characteristically: in the way that is typical of a particular person or thing.
- Disproportionately: to a degree far greater or smaller than the situation warrants.
- Interconnectedness: the state in which separate parts affect one another, so a change in one shows up across the rest.
- Transmogrification: a complete and startling change of form.
- Oversimplification: an explanation stripped of so much detail that it misleads.
- Overrepresentation: the presence of more people from a group than their share of the population would suggest.
- Disenfranchisement: the removal of someone’s right to vote.
- Misinterpretations: readings of a text, remark, or situation that get the meaning wrong.
- Misrepresentations: false or misleading accounts of the facts, a claim with legal consequences attached.
- Misidentifications: cases of naming the wrong person or the wrong thing.
- Representativeness: how accurately a sample or group reflects the whole it represents.
- Unconstitutionally: in a way that breaks the rules set out in a country’s constitution.
- Establishmentarian: a supporter of an official state church, or of the existing order more broadly.
- Autobiographically: in a way that draws on the writer’s own life.
- Nonconfrontational: avoiding open conflict, preferring to settle disputes calmly.
- Intercommunication: the exchange of messages between people, groups, or systems.
- Anthropocentricity: the habit of treating human beings as the centre of everything.
- Institutionalizing: making a practice a fixed part of an organisation, or placing someone in long-term care.
- Compartmentalizing: keeping parts of life or thought separate so that one does not affect the other.
- Anthropomorphizing: giving human qualities to animals, objects, or natural forces.
- Interchangeability: the quality of two parts being able to replace each other with no difference in function.
- Inconsequentiality: the quality of making no difference to the outcome.
- Internationalizing: extending something beyond one country, or adapting a product for other markets.
- Transubstantiation: in Catholic teaching, the changing of bread and wine into the body and blood of Christ.
- Psychopharmacology: the study of how drugs affect mood, thinking, and behaviour.
- Gastroenterologist: a doctor who treats the stomach, intestines, and the rest of the digestive system.
- Electrocardiograph: the machine that reads the heart’s electrical activity and prints an ECG trace.
- Chlorofluorocarbon: a gas once used in fridges and aerosols, banned for damaging the ozone layer.
- Ovolactovegetarian: someone who eats no meat or fish but does eat eggs and dairy.
Long Words In Science And Medicine
Read down the list and the reason for the length becomes obvious. Technical English builds words by joining Greek and Latin parts end to end, and each part names one thing. Gastroenterologist is three parts long because the specialty names two organs and a practitioner.
| Part | Meaning | 18 letter example |
|---|---|---|
| electro- | Electricity | Electrocardiograph |
| photo- | Light | Photodecomposition |
| hydro- | Water | Hydrometeorologist |
| immuno- | Immune system | Immunofluorescence |
| counter- | Against | Counterreformation |
| -ectomy | Surgical removal | Nephroureterectomy |
| -ology | Field of study | Neuroendocrinology |
| -graphy | Recording | Vectorcardiography |
That is also why P produces more of these words than any other letter. It opens the largest prefix families in scientific English, among them photo-, phospho-, palaeo-, and psycho-.
How To Break Down Long Words
Length is not difficulty. A word this long is three or four short parts joined together, and once you find the seams it reads at normal speed.
Telecommunications: tele + communication + s. Tele- means at a distance, and the rest is a word you already use every day.
Disenfranchisement: dis + enfranchise + ment. Dis- reverses, enfranchise means to give the vote, and -ment turns the action into a thing.
Gastroenterologist: gastro + entero + logist. Stomach, intestine, specialist. Three parts, three meanings, nothing to memorise.
Unconstitutionally: un + constitution + al + ly. Peel the outer layers away and an ordinary word is left in the middle.
The method works every time. Find the familiar word at the centre, name the prefixes in front of it, then read the ending for the part of speech: -ly makes an adverb, -ness and -ity make nouns, -ical makes an adjective. Shorter words split the same way, so 14 letter words make a gentler place to practise, with one part fewer to unpick.
Long Words In Scrabble And Crosswords
A Scrabble board measures 15 squares across, so an 18 letter word will never physically fit on it whatever tiles you draw. The same limit applies to Words With Friends. Wordle asks for five letters, so these words never enter play there either. That makes 15 letters the physical ceiling, and even a 15-letter play is close to unheard of.
Crossword grids are where long answers actually live. American daily grids are 15 squares across as well, but Sunday grids reach 21, wide enough for an 18 letter answer to fill an entire row with room to spare. Most answers that long are phrases or compounds rather than single dictionary words, which is why setters reach for them at the edges of a puzzle rather than the centre.
Related:
FAQs
Q1. What are some examples of 18 letter words?
Recognisable examples are telecommunications, misinterpretations, interconnectedness, and disenfranchisement. Others at the same length are characteristically, disproportionately, gastroenterologist, and transmogrification.
Q2. Are 18 letter words used in everyday English?
A few are. You will find telecommunications in business reporting, characteristically in everyday description, and misinterpretations across news and legal writing. The rest stay inside medicine, chemistry, and academic work.
Q3. What is the longest word in English?
The longest word recorded in the Oxford English Dictionary is pneumonoultramicroscopicsilicovolcanoconiosis, at 45 letters. It names a lung disease caused by inhaling fine silica dust. In ordinary argument the longest is antidisestablishmentarianism, at 28.
Q4. Are there 18 letter words starting with W?
Only a handful, and the two worth knowing are weatherforecasters and willingheartedness. No other opening letter at this length yields fewer.
Q5. How do you remember a long word?
Break it into parts rather than letters. Find the ordinary word at the centre, name the prefixes in front of it, then read the ending for the part of speech. Three or four chunks stay in memory; 18 loose characters do not.
Q6. Are 18 letter words allowed in Scrabble?
No. A Scrabble board measures 15 squares in each direction, so a word of 18 letters cannot be placed on it at all, however the tiles fall.
Q7. Which letter starts the most 18 letter words?
P, by a wide margin. C comes next, then S, M, and O. Between them those five letters account for close to half the set.
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