18-Letter Words Containing: A,O,I,S,T
(In Any Order)
There are 272 18 letter words,
784 18 letter phrases and
0 18 letter abbr's with
A,O,I,S,T in.
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| Word | Save | Length | Usage | Points | Type | ||
|---|---|---|---|---|---|---|---|
We couldn't find any valid Scrabble US words with a length of 18. Try changing the version of the game.
Tip: Scrabble EU allows far more words than US! | |||||||
All 18 Letter Words
Words (272)
- telecommunications
- disproportionately
- inconsequentiality
- gastroenterologist
- transubstantiation
- transmogrification
- oversimplification
- overrepresentation
- institutionalizing
- antivivisectionist
- psychopathological
- hyperaldosteronism
- paleoclimatologist
- unprofitablenesses
- uniformitarianisms
- unaccountabilities
- ultrasophisticated
- ultramicroscopical
- ultraconservatives
- ultraconservatisms
- triskaidekaphobias
- transportabilities
- transistorizations
- transilluminations
- transformationally
- thermoplasticities
- theatricalizations
- tachistoscopically
- supranationalities
- supersophisticated
- supercivilizations
- superadministrator
- subclassifications
- subcategorizations
- structuralizations
- stoichiometrically
- stereospecifically
- stereoregularities
- stereophotographic
- sphygmomanometries
- spectroheliography
- spectroheliographs
- somnambulistically
- simultaneousnesses
- semidomestications
- semiconservatively
- sedimentologically
- satisfactorinesses
- revascularizations
- representationally
- renationalizations
- reinstitutionalize
- rehospitalizations
- recrystallizations
- rechromatographies
- rambunctiousnesses
- radiosensitivities
- radiochromatograms
- questionablenesses
- quattuordecillions
- quasiperiodicities
- psychopathologists
- psychoanalytically
- provincializations
- propagandistically
- pronounceabilities
- praiseworthinesses
- postpsychoanalytic
- postmillennialists
- postmillennialisms
- postmillenarianism
- polyesterification
- polyacrylonitriles
- physiopathological
- photosynthetically
- photosensitization
- photoreactivations
- photomicrographies
- photolithographies
- photodissociations
- photodisintegrates
- photodisintegrated
- phosphodiesterases
- pertinaciousnesses
- pathophysiological
- particularizations
- paleoclimatologies
- overspecialization
- overoptimistically
- overindustrializes
- overindustrialized
- overfertilizations
- overextrapolations
- overconcentrations
- overcommunications
- overclassification
- ostentatiousnesses
- orthopsychiatrists
- orthogonalizations
- opinionativenesses
- nonrevolutionaries
- nonrepresentatives
- nonfraternizations
- nondiscriminations
- noncooperationists
- noncomparabilities
- noncommutativities
- nonarbitrarinesses
- nonanthropologists
- neurotransmissions
- neuropsychiatrists
- multifariousnesses
- monochromaticities
- misrepresentations
- misinterpretations
- misidentifications
- misclassifications
- misadministrations
- mineralocorticoids
- microphotographies
- microphotographers
- micromanipulations
- microencapsulation
- microencapsulating
- microcrystallinity
- microcalorimetries
- methemoglobinemias
- melodramatizations
- mechanochemistries
- maladministrations
- magnetostrictively
- magnetoresistances
- macrophotographies
- lumpenproletariats
- knowledgeabilities
- interrelationships
- interoperabilities
- internationalities
- internationalising
- interinstitutional
- intercolumniations
- institutionalising
- inhospitablenesses
- industrializations
- individualizations
- incontestabilities
- inconceivabilities
- incommensurability
- impersonalizations
- immunosuppressants
- immunoreactivities
- immunoprecipitates
- immunopathologists
- immunohematologist
- immunohematologies
- hyposensitizations
- hypersensitization
- hyperrationalities
- hyperpolarizations
- hyperpigmentations
- hypernationalistic
- hyperimmunizations
- hyperalimentations
- hydroxytryptamines
- hydrometallurgists
- homoscedasticities
- histophysiological
- hemoglobinopathies
- granulocytopoiesis
- granulocytopoieses
- gastroenterologies
- fractionalizations
- exterritorialities
- exceptionabilities
- evapotranspiration
- ethnomusicological
- epithelializations
- electroretinograms
- electromyographies
- electrodesiccation
- electrocardiograms
- disputatiousnesses
- disproportionation
- disproportionating
- disintermediations
- disconsolatenesses
- diphenylhydantoins
- dihydroergotamines
- diastereoisomerism
- dextroamphetamines
- dephosphorylations
- depersonalizations
- denominationalisms
- denationalizations
- demythologizations
- dematerializations
- deinstitutionalize
- dehydrochlorinates
- dedifferentiations
- decriminalizations
- counterstrategists
- counterculturalism
- counteraggressions
- counteradvertising
- counteradaptations
- counteraccusations
- conversationalists
- contradistinctions
- consubstantiations
- constitutionalizes
- constitutionalized
- constitutionalists
- constitutionalisms
- conservativenesses
- consequentialities
- congregationalists
- congregationalisms
- conceptualizations
- compartmentalising
- companionabilities
- commercializations
- commensurabilities
- collectivistically
- claustrophobically
- chlortetracyclines
- bureaucratizations
- bourgeoisification
- biotransformations
- biodegradabilities
- biocompatibilities
- bacteriorhodopsins
- australopithecines
- astrophotographies
- archaeoastronomies
- antidiscrimination
- anticommercialisms
- antiadministration
- anagrammatizations
- aerothermodynamics
- unsatisfactoriness
- unquestionableness
- unconstitutionally
- ultranationalistic
- territorialisation
- spectrographically
- sentimentalization
- sentimentalisation
- rhinolaryngologist
- pteridospermopsida
- pteridospermaphyta
- psychotherapeutics
- overcapitalisation
- nonprognosticative
- muscivora-forficata
- laryngopharyngitis
- lacto-vegetarianism
- internationalistic
- hypoparathyroidism
- hypercholesteremia
- homobasidiomycetes
- histocompatibility
- fibrocartilaginous
- cytoarchitectonics
- cross-fertilization
- cross-fertilisation
- corrosion-resistant
- ballistocardiogram
- arteriolosclerosis
- antiferromagnetism
- anticholinesterase
- anti-traditionalism
- adenocarcinomatous
Phrases (784)
- wisteria floribunda
- washington monument
- voiceless consonant
- victor frankenstein
- upton beall sinclair
- treaty of versailles
- translating program
- tomistoma schlegeli
- thomas wright waller
- theodosius the great
- tangible possession
- syzygium aromaticum
- syrian monetary unit
- suborder anisoptera
- solidago spathulata
- solid body substance
- social organization
- social organisation
- sir martin frobisher
- sir frederick ashton
- sir arthur john evans
- short-term liability
- sexual reproduction
- setophaga ruticilla
- security consultant
- scottish highlander
- scandinavian nation
- respiratory illness
- posterior pituitary
- pooecetes gramineus
- political dissident
- polish monetary unit
- polianthes tuberosa
- poisonous substance
- piano transcription
- physiological state
- physical attraction
- ostrya carpinifolia
- oscar hammerstein ii
- order sauropterygia
- order ichthyosauria
- order eubacteriales
- one thousand million
- oil-industry analyst
- oenothera fruticosa
- oceanites oceanicus
- newspaper columnist
- navigational system
- national censorship
- narcotic antagonist
- musical composition
- musculus temporalis
- minor tranquilliser
- methotrexate sodium
- material possession
- master of literature
- manganese tetroxide
- logistic assistance
- logistic assessment
- linguistic relation
- lighthorse harry lee
- lachrymal secretion
- keyboard instrument
- kalmia angustifolia
- james whitcomb riley
- isabella i of castile
- international scale
- installation charge
- hypostasis of christ
- houses of parliament
- historical document
- heat of vaporisation
- health professional
- gustatory sensation
- green mountain state
- giambattista marino
- genus recurvirostra
- genus melopsittacus
- genus eschscholtzia
- genus dimorphotheca
- garcinia mangostana
- functional disorder
- fricative consonant
- federation of tribes
- essential condition
- essential amino acid
- endorsement in blank
- electronics company
- electronic database
- elaeagnus latifolia
- education secretary
- economic assistance
- dylan marlais thomas
- dmitri shostakovich
- division eubacteria
- division cynodontia
- division anthophyta
- disreputable person
- direct transmission
- diplomatic minister
- digitalis glycoside
- danish monetary unit
- dame sybil thorndike
- cyanocitta cristata
- crotalus mitchellii
- council of constance
- constantin brancusi
- conservation of mass
- commissaire maigret
- columbia university
- colocasia esculenta
- collapsible shelter
- cognitive semantics
- class schizomycetes
- class dicotyledonae
- christopher marlowe
- chemical operations
- cause to be perceived
- castanea mollissima
- capital of wisconsin
- capital of tennessee
- capital of swaziland
- capital of new jersey
- capital of minnesota
- capital of louisiana
- capital of indonesia
- capital of australia
- bush administration
- book of lamentations
- blue ridge mountains
- blood extravasation
- battle of wake island
- banana passion fruit
- authoritarian state
- attestation service
- astronomy satellite
- ascension of the lord
- artocarpus communis
- artistic production
- artemisia filifolia
- armoracia rusticana
- apodemus sylvaticus
- antispasmodic agent
- antipsychotic agent
- antineoplastic drug
- antagonistic muscle
- anisette de bordeaux
- andrew dickson white
- anamnestic reaction
- amphibious aircraft
- amlodipine besylate
- ambystoma mexicanum
- amaranthus spinosus
- alytes obstetricans
- allegheny mountains
- albert szent-gyorgyi
- air-to-ground missile
- agropyron cristatum
- aegean civilisation
- administrative body
- actinidia deliciosa
- acoustic gramophone
- accounting standard
- accordance of rights
- yellow bristlegrass
- yellow bristle grass
- writ of habeas corpus
- woolsorter's disease
- winter olympic games
- western roman empire
- western ribbon snake
- western mountain ash
- western diamondback
- west indian smallpox
- wesleyan methodists
- weather forecasting
- wandering albatross
- volumetric analysis
- vinegar joe stilwell
- vena supraorbitalis
- vena stylomastoidea
- vascular prosthesis
- valedictory speaker
- valedictory address
- upholstery material
- unspoken accusation
- united states dollar
- umbelliferous plant
- tyrannus vociferans
- tussock caterpillar
- tropical rain forest
- trogium pulsatorium
- trisodium phosphate
- trichostema lanatum
- tremella fuciformis
- transmission system
- transitive verb form
- transfiguration day
- transfer of training
- tragelaphus buxtoni
- topical anaesthetic
- topical anaesthesia
- top fermenting yeast
- tobacco mosaic virus
- time deposit account
- time-and-motion study
- thujopsis dolobrata
- threshold operation
- thomas stearns eliot
- thomas gainsborough
- third battle of ypres
- thermoplastic resin
- thermobia domestica
- theory of indicators
- the great starvation
- thamnophis sirtalis
- thamnophis sauritus
- thamnophis proximus
- thalamostriate vein
- textual scholarship
- teucrium scorodonia
- territorial reserve
- taraktogenos kurzii
- taraktagenos kurzii
- tanacetum douglasii
- systema urogenitale
- systema digestorium
- system of numeration
- synaptomys borealis
- symplocus tinctoria
- swiss confederation
- sweet-potato ring rot
- suspended animation
- supratrochlear vein
- superannuation fund
- suborder tarsioidea
- suborder ruminantia
- suborder lipotyphla
- suborder lacertilia
- suborder ceratopsia
- subclass actinopoda
- structural genomics
- striped button quail
- streptopelia turtur
- straight-line method
- storage-battery grid
- stochastic variable
- stictopelia cuneata
- stellar association
- steganopus tricolor
- stations of the cross
- starvation acidosis
- stanford university
- stained-glass window
- st. ignatius of loyola
- spotsylvania county
- sphenoidal fontanel
- sphenoid fontanelle
- spanish oyster plant
- spanish inquisition
- space-time continuum
- southern white cedar
- southern maidenhair
- south celestial pole
- sonora semiannulata
- solar magnetic field
- sodium thiosulphate
- sociological theory
- social anthropology
- smoking compartment
- smilax rotundifolia
- sir george trevelyan
- sir ernst boris chain
- sir alfred hitchcock
- silver quandong tree
- signal-to-noise ratio
- side-blotched lizard
- shortia galacifolia
- short saphenous vein
- short gastric artery
- shorea teysmanniana
- sexual relationship
- sex-change operation
- serratula tinctoria
- sentential function
- sensory deprivation
- semi-sweet chocolate
- selaginella eatonii
- segmentation cavity
- secondary education
- secondary dentition
- secobarbital sodium
- scleroderma bovista
- sciaenops ocellatus
- saratoga spittlebug
- sao tome and principe
- sample distribution
- saint thomas aquinas
- saint thomas a becket
- saint teresa of avila
- sailor's breastplate
- sacrifice operation
- round-tailed muskrat
- rocky mountain sheep
- robert james fischer
- robert bruce mathias
- richard john roberts
- rhodanthe manglesii
- rhizomatous begonia
- rhizoctinia disease
- rhetorical question
- revaluation reserve
- retarded depression
- respiratory disease
- republic of the sudan
- republic of botswana
- relative atomic mass
- relational database
- regression equation
- registration number
- regional anesthesia
- reductio ad absurdum
- real-time processing
- reactive depression
- reaction propulsion
- ratibida columnaris
- quadriphonic system
- quadraphonic system
- pyrrhuloxia sinuata
- pylodictus olivaris
- pus-forming bacteria
- public relations man
- public presentation
- pterocarpus indicus
- psychotria capensis
- psychological state
- psoriatic arthritis
- pseudotaxus chienii
- prunus angustifolia
- prumnopitys elegans
- prospero lambertini
- propositional logic
- proportional sample
- promotional expense
- professional tennis
- prionotus carolinus
- prince-of-wales'-heath
- prince of wales heath
- president john adams
- prairie golden aster
- power-station worker
- potos caudivolvulus
- potentilla anserina
- potato scab bacteria
- potassium hydroxide
- potassium carbonate
- potamogeton crispus
- positive chemotaxis
- positional notation
- portal hypertension
- populus trichocarpa
- poncirus trifoliata
- pomatomus saltatrix
- polystichum braunii
- political scientist
- political commissar
- police headquarters
- poephila castanotis
- pneumogastric nerve
- platanus orientalis
- platanus acerifolia
- plains pocket gopher
- pine-barren sandwort
- pimenta officinalis
- phyllostachys nigra
- phragmites communis
- phonological system
- pezophaps solitaria
- personal credit line
- periodontal disease
- pedilanthus pavonis
- pediculosis capitis
- pedestrian crossing
- paul bustill robeson
- parochetus communis
- parathion poisoning
- paprilus alepidotus
- pancreatic fibrosis
- palestine authority
- oxytropis lambertii
- ornithopod dinosaur
- oriental bush cherry
- order ustilaginales
- order synentognathi
- order stegocephalia
- order rickettsiales
- order psilophytales
- order polymastigina
- order plantaginales
- order marchantiales
- order bennettitales
- opisthocomus hoazin
- operations research
- operating statement
- omphalotus illudens
- olfactory sensation
- observation station
- nyctanassa violacea
- north celestial pole
- normative economics
- normal distribution
- nonvolatile storage
- nonsocial infection
- non-volatile storage
- non-christian priest
- newtonian telescope
- newtonian mechanics
- newton's law of motion
- nervous prostration
- negative chemotaxis
- national assistance
- nasogastric feeding
- myositis trichinosa
- myasthenic syndrome
- musculus pectoralis
- musculus buccinator
- multiplication sign
- mountain watercress
- mountain spleenwort
- mountain fetterbush
- mountain blacksnake
- mother-in-law's tongue
- montia lamprosperma
- molecular biologist
- minor diatonic scale
- minoan civilisation
- mineral association
- minato ohashi bridge
- military commission
- military censorship
- microscopic anatomy
- michael stuart brown
- michael gerald tyson
- mexican pocket mouse
- metaphosphoric acid
- metabolic alkalosis
- merovingian dynasty
- melicocca bijugatus
- medical institution
- mathematical symbol
- master of ceremonies
- marta brigit nilsson
- marquis de condorcet
- malathion poisoning
- malacosoma disstria
- major tranquilliser
- major diatonic scale
- magneto-optical disc
- magnesium carbonate
- macroscopic anatomy
- machine translation
- lutjanus blackfordi
- loxostege similalis
- louis the quarreller
- long-distance runner
- lobelia siphilitica
- livistona australis
- litocranius walleri
- lip synchronization
- lip synchronisation
- limnocryptes minima
- ligustrum japonicum
- leycesteria formosa
- leptopteris superba
- lepiota cepaestipes
- leontocebus rosalia
- legislative council
- learner's dictionary
- leaning tower of pisa
- lathyrus latifolius
- late-spring-blooming
- laportea canadensis
- lactose intolerance
- lactarius delicioso
- kurdistan labor pary
- kolkwitzia amabilis
- kingdom protoctista
- keratosis nigricans
- kammon strait bridge
- kalashnikov culture
- junction transistor
- judicial separation
- judgment in personam
- joint chiefs of staff
- jessica lucy mitford
- jerusalem artichoke
- jean francois millet
- jatropha stimulosus
- japanese poinsettia
- james francis thorpe
- james butler hickock
- italian honeysuckle
- isopyrum biternatum
- islets of langerhans
- iron-storage disease
- ionization constant
- intravenous feeding
- internal combustion
- intermediate shroud
- interfacial tension
- interagency support
- insider information
- inorganic phosphate
- inorganic chemistry
- information science
- information measure
- inflectional suffix
- inflationary spiral
- inductive reasoning
- in your birthday suit
- in the adjacent house
- in one's birthday suit
- idiopathic disorder
- hysterical neurosis
- hypsiglena torquata
- hypoplastic anaemia
- hyperfocal distance
- hynerpeton bassetti
- huntington's disease
- hindu kush mountains
- hindostani language
- heterotheca villosa
- hesperis matronalis
- heat of dissociation
- heat of condensation
- have the distinction
- halicoeres radiatus
- haemorrhagic stroke
- haematobia irritans
- gyromitra esculenta
- guilt by association
- guadalupe mountains
- gregorian telescope
- great saphenous vein
- graduation exercise
- gradable opposition
- goods and service tax
- gilles de la tourette
- gianbattista bodoni
- giambattista bodoni
- geothermal industry
- geostationary orbit
- genyonemus lineatus
- genus zinjanthropus
- genus stephanomeria
- genus septobasidium
- genus schizopetalon
- genus pseudowintera
- genus pleurothallis
- genus platypoecilus
- genus mycobacterium
- genus lepidothamnus
- genus lagerstroemia
- genus lactobacillus
- genus ichthyosaurus
- genus hyracotherium
- genus hyacinthoides
- genus ginglymostoma
- genus gasterophilus
- genus falcatifolium
- genus dicranopteris
- genus chorizagrotis
- genus ceratotherium
- genus calamagrostis
- genus anoectochilus
- genus agrobacterium
- genus actiniopteris
- genus acanthocybium
- genital personality
- gastroepiploic vein
- gastrocolic omentum
- functional genomics
- functional calculus
- fuchsia excorticata
- franklin d. roosevelt
- francois mitterrand
- forward transaction
- florida smoothhound
- first earl of chatham
- first battle of ypres
- first baron tennyson
- first baron macaulay
- favourable position
- fausto paolo sozzini
- fast of the firstborn
- family synodontidae
- family stromateidae
- family rhiptoglossa
- family relationship
- family orchestiidae
- family ceratopsidae
- family catostomidae
- family aulostomidae
- euclid's fourth axiom
- eucalyptus coriacea
- euarctos americanus
- estrogen antagonist
- esther hobart morris
- epistle to the romans
- epacris obtusifolia
- english hippocrates
- endowment insurance
- electrostatic field
- ecclesiastical robe
- ecclesiastical mode
- eastern roman empire
- eastern indigo snake
- eastern fox squirrel
- eastern cricket frog
- eastern catholicism
- east indian rosewood
- dryopteris goldiana
- dryopteris fragrans
- dryopteris filix-mas
- dryopteris dilatata
- double-breasted suit
- dorothy leigh sayers
- domesticated animal
- doctor of humanities
- division rhodophyta
- division phaeophyta
- division myxomycota
- division cyanophyta
- diversionary attack
- district of columbia
- dissociation energy
- discretionary trust
- director of research
- dicamptodon ensatus
- dianthus latifolius
- dental orthopaedics
- deflationary spiral
- deductive reasoning
- de facto segregation
- davidson's penstemon
- daucus carota sativa
- cystopteris montana
- cystophora cristata
- cyclopes didactylus
- cutaneous sensation
- cryptogramma crispa
- crataegus apiifolia
- court of saint james's
- cotoneaster dammeri
- corticospinal tract
- cortaderia selloana
- corrosive sublimate
- corporal punishment
- coronary thrombosis
- coreopsis tinctoria
- cordyline australis
- cordia gerascanthus
- coptis groenlandica
- conversion reaction
- conversion hysteria
- contract of adhesion
- continuing trespass
- contagious abortion
- constructive breach
- conjugal visitation
- congenital disorder
- confederate soldier
- confederate jasmine
- conduction deafness
- computer simulation
- competitor analysis
- compatible software
- compassionate leave
- communist manifesto
- colaptes chrysoides
- clianthus speciosus
- clematis versicolor
- clematis ochreleuca
- claudius ptolemaeus
- classical mythology
- class holothuroidea
- class hepaticopsida
- class ginkgophytina
- class dicotyledones
- class cyanobacteria
- citrus aurantifolia
- cirsium lanceolatum
- christian schonbein
- choriotis australis
- chinese scholartree
- chinese scholar tree
- chinese parasol tree
- cheilanthes eatonii
- charles william post
- chaenopsis ocellata
- cerebral thrombosis
- cercis occidentalis
- ceratotherium simum
- ceratostomella ulmi
- celtis occidentalis
- celestial longitude
- catherine i of russia
- castilleja chromosa
- castanea ozarkensis
- cassia occidentalis
- cassia augustifolia
- casanova de seingalt
- carolingian dynasty
- capital of singapore
- capital of san marino
- capital of costa rica
- calostoma ravenelii
- buchloe dactyloides
- brush-tail porcupine
- broadcasting studio
- british labour party
- brevoortia tyrannis
- breech presentation
- boy scouts of america
- born-again christian
- book of ecclesiastes
- bocconia frutescens
- bird-footed dinosaur
- bidens trichosperma
- bernese mountain dog
- battle of buena vista
- battle of austerlitz
- bastardy proceeding
- basal metabolic rate
- bartolomeo eustachi
- barometric pressure
- ball-and-socket joint
- automobile industry
- autoimmune disorder
- autoimmune diabetes
- austrotaxus spicata
- astroloma humifusum
- asterid dicot family
- associative aphasia
- associate professor
- associate in nursing
- assistant professor
- asian tiger mosquito
- articulatory system
- arterial blood gases
- arteria ethmoidalis
- arteria communicans
- artemisia abrotanum
- army of the righteous
- aristotelia serrata
- aristolochia durior
- aristarchus of samos
- arisaema dracontium
- arisaema atrorubens
- arches national park
- apothecaries' weight
- anticonvulsant drug
- anterograde amnesia
- anointing of the sick
- angoumois grain moth
- anarchist communism
- anamnestic response
- alveolar resorption
- alsophila pometaria
- aleurites moluccana
- alan mathison turing
- agitated depression
- affricate consonant
- aegilops triuncalis
- adult-onset diabetes
- admiralty mountains
- acute brain disorder
- acoustic resistance
- acoustic projection
- acoustic phenomenon
- acoustic absorption
- acentric chromosome
- accounts receivable
- absorption spectrum
