18-Letter Words Containing: A,T,O,I,S
(In Any Order)
There are 272 18 letter words,
784 18 letter phrases and
0 18 letter abbr's with
A,T,O,I,S in.
Best Scoring 18 Letter Words With: A,T,O,I,S
| Expand? | 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)
telecommunicationsdisproportionatelyinconsequentialitygastroenterologisttransubstantiationtransmogrificationoversimplificationoverrepresentationinstitutionalizingantivivisectionistpsychopathologicalhyperaldosteronismpaleoclimatologistunprofitablenessesuniformitarianismsunaccountabilitiesultrasophisticatedultramicroscopicalultraconservativesultraconservatismstriskaidekaphobiastransportabilitiestransistorizationstransilluminationstransformationallythermoplasticitiestheatricalizationstachistoscopicallysupranationalitiessupersophisticatedsupercivilizationssuperadministratorsubclassificationssubcategorizationsstructuralizationsstoichiometricallystereospecificallystereoregularitiesstereophotographicsphygmomanometriesspectroheliographyspectroheliographssomnambulisticallysimultaneousnessessemidomesticationssemiconservativelysedimentologicallysatisfactorinessesrevascularizationsrepresentationallyrenationalizationsreinstitutionalizerehospitalizationsrecrystallizationsrechromatographiesrambunctiousnessesradiosensitivitiesradiochromatogramsquestionablenessesquattuordecillionsquasiperiodicitiespsychopathologistspsychoanalyticallyprovincializationspropagandisticallypronounceabilitiespraiseworthinessespostpsychoanalyticpostmillennialistspostmillennialismspostmillenarianismpolyesterificationpolyacrylonitrilesphysiopathologicalphotosyntheticallyphotosensitizationphotoreactivationsphotomicrographiesphotolithographiesphotodissociationsphotodisintegratesphotodisintegratedphosphodiesterasespertinaciousnessespathophysiologicalparticularizationspaleoclimatologiesoverspecializationoveroptimisticallyoverindustrializesoverindustrializedoverfertilizationsoverextrapolationsoverconcentrationsovercommunicationsoverclassificationostentatiousnessesorthopsychiatristsorthogonalizationsopinionativenessesnonrevolutionariesnonrepresentativesnonfraternizationsnondiscriminationsnoncooperationistsnoncomparabilitiesnoncommutativitiesnonarbitrarinessesnonanthropologistsneurotransmissionsneuropsychiatristsmultifariousnessesmonochromaticitiesmisrepresentationsmisinterpretationsmisidentificationsmisclassificationsmisadministrationsmineralocorticoidsmicrophotographiesmicrophotographersmicromanipulationsmicroencapsulationmicroencapsulatingmicrocrystallinitymicrocalorimetriesmethemoglobinemiasmelodramatizationsmechanochemistriesmaladministrationsmagnetostrictivelymagnetoresistancesmacrophotographieslumpenproletariatsknowledgeabilitiesinterrelationshipsinteroperabilitiesinternationalitiesinternationalisinginterinstitutionalintercolumniationsinstitutionalisinginhospitablenessesindustrializationsindividualizationsincontestabilitiesinconceivabilitiesincommensurabilityimpersonalizationsimmunosuppressantsimmunoreactivitiesimmunoprecipitatesimmunopathologistsimmunohematologistimmunohematologieshyposensitizationshypersensitizationhyperrationalitieshyperpolarizationshyperpigmentationshypernationalistichyperimmunizationshyperalimentationshydroxytryptamineshydrometallurgistshomoscedasticitieshistophysiologicalhemoglobinopathiesgranulocytopoiesisgranulocytopoiesesgastroenterologiesfractionalizationsexterritorialitiesexceptionabilitiesevapotranspirationethnomusicologicalepithelializationselectroretinogramselectromyographieselectrodesiccationelectrocardiogramsdisputatiousnessesdisproportionationdisproportionatingdisintermediationsdisconsolatenessesdiphenylhydantoinsdihydroergotaminesdiastereoisomerismdextroamphetaminesdephosphorylationsdepersonalizationsdenominationalismsdenationalizationsdemythologizationsdematerializationsdeinstitutionalizedehydrochlorinatesdedifferentiationsdecriminalizationscounterstrategistscounterculturalismcounteraggressionscounteradvertisingcounteradaptationscounteraccusationsconversationalistscontradistinctionsconsubstantiationsconstitutionalizesconstitutionalizedconstitutionalistsconstitutionalismsconservativenessesconsequentialitiescongregationalistscongregationalismsconceptualizationscompartmentalisingcompanionabilitiescommercializationscommensurabilitiescollectivisticallyclaustrophobicallychlortetracyclinesbureaucratizationsbourgeoisificationbiotransformationsbiodegradabilitiesbiocompatibilitiesbacteriorhodopsinsaustralopithecinesastrophotographiesarchaeoastronomiesantidiscriminationanticommercialismsantiadministrationanagrammatizationsaerothermodynamicsunsatisfactorinessunquestionablenessunconstitutionallyultranationalisticterritorialisationspectrographicallysentimentalizationsentimentalisationrhinolaryngologistpteridospermopsidapteridospermaphytapsychotherapeuticsovercapitalisationnonprognosticativemuscivora-forficatalaryngopharyngitislacto-vegetarianisminternationalistichypoparathyroidismhypercholesteremiahomobasidiomyceteshistocompatibilityfibrocartilaginouscytoarchitectonicscross-fertilizationcross-fertilisationcorrosion-resistantballistocardiogramarteriolosclerosisantiferromagnetismanticholinesteraseanti-traditionalismadenocarcinomatousPhrases (784)
wisteria floribundawashington monumentvoiceless consonantvictor frankensteinupton beall sinclairtreaty of versaillestranslating programtomistoma schlegelithomas wright wallertheodosius the greattangible possessionsyzygium aromaticumsyrian monetary unitsuborder anisopterasolidago spathulatasolid body substancesocial organizationsocial organisationsir martin frobishersir frederick ashtonsir arthur john evansshort-term liabilitysexual reproductionsetophaga ruticillasecurity consultantscottish highlanderscandinavian nationrespiratory illnessposterior pituitarypooecetes gramineuspolitical dissidentpolish monetary unitpolianthes tuberosapoisonous substancepiano transcriptionphysiological statephysical attractionostrya carpinifoliaoscar hammerstein iiorder sauropterygiaorder ichthyosauriaorder eubacterialesone thousand millionoil-industry analystoenothera fruticosaoceanites oceanicusnewspaper columnistnavigational systemnational censorshipnarcotic antagonistmusical compositionmusculus temporalisminor tranquillisermethotrexate sodiummaterial possessionmaster of literaturemanganese tetroxidelogistic assistancelogistic assessmentlinguistic relationlighthorse harry leelachrymal secretionkeyboard instrumentkalmia angustifoliajames whitcomb rileyisabella i of castileinternational scaleinstallation chargehypostasis of christhouses of parliamenthistorical documentheat of vaporisationhealth professionalgustatory sensationgreen mountain stategiambattista marinogenus recurvirostragenus melopsittacusgenus eschscholtziagenus dimorphothecagarcinia mangostanafunctional disorderfricative consonantfederation of tribesessential conditionessential amino acidendorsement in blankelectronics companyelectronic databaseelaeagnus latifoliaeducation secretaryeconomic assistancedylan marlais thomasdmitri shostakovichdivision eubacteriadivision cynodontiadivision anthophytadisreputable persondirect transmissiondiplomatic ministerdigitalis glycosidedanish monetary unitdame sybil thorndikecyanocitta cristatacrotalus mitchelliicouncil of constanceconstantin brancusiconservation of masscommissaire maigretcolumbia universitycolocasia esculentacollapsible sheltercognitive semanticsclass schizomycetesclass dicotyledonaechristopher marlowechemical operationscause to be perceivedcastanea mollissimacapital of wisconsincapital of tennesseecapital of swazilandcapital of new jerseycapital of minnesotacapital of louisianacapital of indonesiacapital of australiabush administrationbook of lamentationsblue ridge mountainsblood extravasationbattle of wake islandbanana passion fruitauthoritarian stateattestation serviceastronomy satelliteascension of the lordartocarpus communisartistic productionartemisia filifoliaarmoracia rusticanaapodemus sylvaticusantispasmodic agentantipsychotic agentantineoplastic drugantagonistic muscleanisette de bordeauxandrew dickson whiteanamnestic reactionamphibious aircraftamlodipine besylateambystoma mexicanumamaranthus spinosusalytes obstetricansallegheny mountainsalbert szent-gyorgyiair-to-ground missileagropyron cristatumaegean civilisationadministrative bodyactinidia deliciosaacoustic gramophoneaccounting standardaccordance of rightsyellow bristlegrassyellow bristle grasswrit of habeas corpuswoolsorter's diseasewinter olympic gameswestern roman empirewestern ribbon snakewestern mountain ashwestern diamondbackwest indian smallpoxwesleyan methodistsweather forecastingwandering albatrossvolumetric analysisvinegar joe stilwellvena supraorbitalisvena stylomastoideavascular prosthesisvaledictory speakervaledictory addressupholstery materialunspoken accusationunited states dollarumbelliferous planttyrannus vociferanstussock caterpillartropical rain foresttrogium pulsatoriumtrisodium phosphatetrichostema lanatumtremella fuciformistransmission systemtransitive verb formtransfiguration daytransfer of trainingtragelaphus buxtonitopical anaesthetictopical anaesthesiatop fermenting yeasttobacco mosaic virustime deposit accounttime-and-motion studythujopsis dolobratathreshold operationthomas stearns eliotthomas gainsboroughthird battle of ypresthermoplastic resinthermobia domesticatheory of indicatorsthe great starvationthamnophis sirtalisthamnophis sauritusthamnophis proximusthalamostriate veintextual scholarshipteucrium scorodoniaterritorial reservetaraktogenos kurziitaraktagenos kurziitanacetum douglasiisystema urogenitalesystema digestoriumsystem of numerationsynaptomys borealissymplocus tinctoriaswiss confederationsweet-potato ring rotsuspended animationsupratrochlear veinsuperannuation fundsuborder tarsioideasuborder ruminantiasuborder lipotyphlasuborder lacertiliasuborder ceratopsiasubclass actinopodastructural genomicsstriped button quailstreptopelia turturstraight-line methodstorage-battery gridstochastic variablestictopelia cuneatastellar associationsteganopus tricolorstations of the crossstarvation acidosisstanford universitystained-glass windowst. ignatius of loyolaspotsylvania countysphenoidal fontanelsphenoid fontanellespanish oyster plantspanish inquisitionspace-time continuumsouthern white cedarsouthern maidenhairsouth celestial polesonora semiannulatasolar magnetic fieldsodium thiosulphatesociological theorysocial anthropologysmoking compartmentsmilax rotundifoliasir george trevelyansir ernst boris chainsir alfred hitchcocksilver quandong treesignal-to-noise ratioside-blotched lizardshortia galacifoliashort saphenous veinshort gastric arteryshorea teysmannianasexual relationshipsex-change operationserratula tinctoriasentential functionsensory deprivationsemi-sweet chocolateselaginella eatoniisegmentation cavitysecondary educationsecondary dentitionsecobarbital sodiumscleroderma bovistasciaenops ocellatussaratoga spittlebugsao tome and principesample distributionsaint thomas aquinassaint thomas a becketsaint teresa of avilasailor's breastplatesacrifice operationround-tailed muskratrocky mountain sheeprobert james fischerrobert bruce mathiasrichard john robertsrhodanthe manglesiirhizomatous begoniarhizoctinia diseaserhetorical questionrevaluation reserveretarded depressionrespiratory diseaserepublic of the sudanrepublic of botswanarelative atomic massrelational databaseregression equationregistration numberregional anesthesiareductio ad absurdumreal-time processingreactive depressionreaction propulsionratibida columnarisquadriphonic systemquadraphonic systempyrrhuloxia sinuatapylodictus olivarispus-forming bacteriapublic relations manpublic presentationpterocarpus indicuspsychotria capensispsychological statepsoriatic arthritispseudotaxus chieniiprunus angustifoliaprumnopitys elegansprospero lambertinipropositional logicproportional samplepromotional expenseprofessional tennisprionotus carolinusprince-of-wales'-heathprince of wales heathpresident john adamsprairie golden asterpower-station workerpotos caudivolvuluspotentilla anserinapotato scab bacteriapotassium hydroxidepotassium carbonatepotamogeton crispuspositive chemotaxispositional notationportal hypertensionpopulus trichocarpaponcirus trifoliatapomatomus saltatrixpolystichum brauniipolitical scientistpolitical commissarpolice headquarterspoephila castanotispneumogastric nerveplatanus orientalisplatanus acerifoliaplains pocket gopherpine-barren sandwortpimenta officinalisphyllostachys nigraphragmites communisphonological systempezophaps solitariapersonal credit lineperiodontal diseasepedilanthus pavonispediculosis capitispedestrian crossingpaul bustill robesonparochetus communisparathion poisoningpaprilus alepidotuspancreatic fibrosispalestine authorityoxytropis lambertiiornithopod dinosauroriental bush cherryorder ustilaginalesorder synentognathiorder stegocephaliaorder rickettsialesorder psilophytalesorder polymastiginaorder plantaginalesorder marchantialesorder bennettitalesopisthocomus hoazinoperations researchoperating statementomphalotus illudensolfactory sensationobservation stationnyctanassa violaceanorth celestial polenormative economicsnormal distributionnonvolatile storagenonsocial infectionnon-volatile storagenon-christian priestnewtonian telescopenewtonian mechanicsnewton's law of motionnervous prostrationnegative chemotaxisnational assistancenasogastric feedingmyositis trichinosamyasthenic syndromemusculus pectoralismusculus buccinatormultiplication signmountain watercressmountain spleenwortmountain fetterbushmountain blacksnakemother-in-law's tonguemontia lamprospermamolecular biologistminor diatonic scaleminoan civilisationmineral associationminato ohashi bridgemilitary commissionmilitary censorshipmicroscopic anatomymichael stuart brownmichael gerald tysonmexican pocket mousemetaphosphoric acidmetabolic alkalosismerovingian dynastymelicocca bijugatusmedical institutionmathematical symbolmaster of ceremoniesmarta brigit nilssonmarquis de condorcetmalathion poisoningmalacosoma disstriamajor tranquillisermajor diatonic scalemagneto-optical discmagnesium carbonatemacroscopic anatomymachine translationlutjanus blackfordiloxostege similalislouis the quarrellerlong-distance runnerlobelia siphiliticalivistona australislitocranius wallerilip synchronizationlip synchronisationlimnocryptes minimaligustrum japonicumleycesteria formosaleptopteris superbalepiota cepaestipesleontocebus rosalialegislative councillearner's dictionaryleaning tower of pisalathyrus latifoliuslate-spring-bloominglaportea canadensislactose intolerancelactarius deliciosokurdistan labor parykolkwitzia amabiliskingdom protoctistakeratosis nigricanskammon strait bridgekalashnikov culturejunction transistorjudicial separationjudgment in personamjoint chiefs of staffjessica lucy mitfordjerusalem artichokejean francois milletjatropha stimulosusjapanese poinsettiajames francis thorpejames butler hickockitalian honeysuckleisopyrum biternatumislets of langerhansiron-storage diseaseionization constantintravenous feedinginternal combustionintermediate shroudinterfacial tensioninteragency supportinsider informationinorganic phosphateinorganic chemistryinformation scienceinformation measureinflectional suffixinflationary spiralinductive reasoningin your birthday suitin the adjacent housein one's birthday suitidiopathic disorderhysterical neurosishypsiglena torquatahypoplastic anaemiahyperfocal distancehynerpeton bassettihuntington's diseasehindu kush mountainshindostani languageheterotheca villosahesperis matronalisheat of dissociationheat of condensationhave the distinctionhalicoeres radiatushaemorrhagic strokehaematobia irritansgyromitra esculentaguilt by associationguadalupe mountainsgregorian telescopegreat saphenous veingraduation exercisegradable oppositiongoods and service taxgilles de la tourettegianbattista bodonigiambattista bodonigeothermal industrygeostationary orbitgenyonemus lineatusgenus zinjanthropusgenus stephanomeriagenus septobasidiumgenus schizopetalongenus pseudowinteragenus pleurothallisgenus platypoecilusgenus mycobacteriumgenus lepidothamnusgenus lagerstroemiagenus lactobacillusgenus ichthyosaurusgenus hyracotheriumgenus hyacinthoidesgenus ginglymostomagenus gasterophilusgenus falcatifoliumgenus dicranopterisgenus chorizagrotisgenus ceratotheriumgenus calamagrostisgenus anoectochilusgenus agrobacteriumgenus actiniopterisgenus acanthocybiumgenital personalitygastroepiploic veingastrocolic omentumfunctional genomicsfunctional calculusfuchsia excorticatafranklin d. rooseveltfrancois mitterrandforward transactionflorida smoothhoundfirst earl of chathamfirst battle of ypresfirst baron tennysonfirst baron macaulayfavourable positionfausto paolo sozzinifast of the firstbornfamily synodontidaefamily stromateidaefamily rhiptoglossafamily relationshipfamily orchestiidaefamily ceratopsidaefamily catostomidaefamily aulostomidaeeuclid's fourth axiomeucalyptus coriaceaeuarctos americanusestrogen antagonistesther hobart morrisepistle to the romansepacris obtusifoliaenglish hippocratesendowment insuranceelectrostatic fieldecclesiastical robeecclesiastical modeeastern roman empireeastern indigo snakeeastern fox squirreleastern cricket frogeastern catholicismeast indian rosewooddryopteris goldianadryopteris fragransdryopteris filix-masdryopteris dilatatadouble-breasted suitdorothy leigh sayersdomesticated animaldoctor of humanitiesdivision rhodophytadivision phaeophytadivision myxomycotadivision cyanophytadiversionary attackdistrict of columbiadissociation energydiscretionary trustdirector of researchdicamptodon ensatusdianthus latifoliusdental orthopaedicsdeflationary spiraldeductive reasoningde facto segregationdavidson's penstemondaucus carota sativacystopteris montanacystophora cristatacyclopes didactyluscutaneous sensationcryptogramma crispacrataegus apiifoliacourt of saint james'scotoneaster dammericorticospinal tractcortaderia selloanacorrosive sublimatecorporal punishmentcoronary thrombosiscoreopsis tinctoriacordyline australiscordia gerascanthuscoptis groenlandicaconversion reactionconversion hysteriacontract of adhesioncontinuing trespasscontagious abortionconstructive breachconjugal visitationcongenital disorderconfederate soldierconfederate jasmineconduction deafnesscomputer simulationcompetitor analysiscompatible softwarecompassionate leavecommunist manifestocolaptes chrysoidesclianthus speciosusclematis versicolorclematis ochreleucaclaudius ptolemaeusclassical mythologyclass holothuroideaclass hepaticopsidaclass ginkgophytinaclass dicotyledonesclass cyanobacteriacitrus aurantifoliacirsium lanceolatumchristian schonbeinchoriotis australischinese scholartreechinese scholar treechinese parasol treecheilanthes eatoniicharles william postchaenopsis ocellatacerebral thrombosiscercis occidentalisceratotherium simumceratostomella ulmiceltis occidentaliscelestial longitudecatherine i of russiacastilleja chromosacastanea ozarkensiscassia occidentaliscassia augustifoliacasanova de seingaltcarolingian dynastycapital of singaporecapital of san marinocapital of costa ricacalostoma raveneliibuchloe dactyloidesbrush-tail porcupinebroadcasting studiobritish labour partybrevoortia tyrannisbreech presentationboy scouts of americaborn-again christianbook of ecclesiastesbocconia frutescensbird-footed dinosaurbidens trichospermabernese mountain dogbattle of buena vistabattle of austerlitzbastardy proceedingbasal metabolic ratebartolomeo eustachibarometric pressureball-and-socket jointautomobile industryautoimmune disorderautoimmune diabetesaustrotaxus spicataastroloma humifusumasterid dicot familyassociative aphasiaassociate professorassociate in nursingassistant professorasian tiger mosquitoarticulatory systemarterial blood gasesarteria ethmoidalisarteria communicansartemisia abrotanumarmy of the righteousaristotelia serrataaristolochia durioraristarchus of samosarisaema dracontiumarisaema atrorubensarches national parkapothecaries' weightanticonvulsant druganterograde amnesiaanointing of the sickangoumois grain mothanarchist communismanamnestic responsealveolar resorptionalsophila pometariaaleurites moluccanaalan mathison turingagitated depressionaffricate consonantaegilops triuncalisadult-onset diabetesadmiralty mountainsacute brain disorderacoustic resistanceacoustic projectionacoustic phenomenonacoustic absorptionacentric chromosomeaccounts receivableabsorption spectrum
