Dictionary Only:
Profanity Off:

18-Letter Words Containing: A,I,O,S,S,T

 (In Any Order)
There are 124 18 letter words, 356 18 letter phrases and 0 18 letter abbr's with A,I,O,S,S,T in.

Best Scoring 18 Letter Words With: A,I,O,S,S,T

Expand?WordSave?LengthUsagePointsType
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 (124)
gastroenterologisttransubstantiationantivivisectionisthyperaldosteronismunprofitablenessesuniformitarianismsultrasophisticatedultraconservativesultraconservatismstriskaidekaphobiastransportabilitiestransistorizationstransilluminationsthermoplasticitiestachistoscopicallysupranationalitiessupersophisticatedsupercivilizationssuperadministratorsubclassificationssubcategorizationsstructuralizationsstereospecificallystereoregularitiessphygmomanometriesspectroheliographssomnambulisticallysimultaneousnessessemidomesticationssemiconservativelysatisfactorinessesrevascularizationsrehospitalizationsrecrystallizationsrambunctiousnessesradiosensitivitiesquestionablenessesquasiperiodicitiespsychopathologistspraiseworthinessespostpsychoanalyticpostmillennialistspostmillennialismspostmillenarianismphotosensitizationphotodissociationsphotodisintegratesphosphodiesterasespertinaciousnessesoverindustrializesoverclassificationostentatiousnessesorthopsychiatristsopinionativenessesnonrepresentativesnondiscriminationsnoncooperationistsnonarbitrarinessesnonanthropologistsneurotransmissionsneuropsychiatristsmultifariousnessesmisrepresentationsmisinterpretationsmisidentificationsmisclassificationsmisadministrationsmechanochemistriesmaladministrationsmagnetoresistancesinterrelationshipsinstitutionalisinginhospitablenessesindustrializationsincontestabilitiesimpersonalizationsimmunosuppressantsimmunopathologistshyposensitizationshypersensitizationhydrometallurgistshomoscedasticitieshistophysiologicalgranulocytopoiesisgranulocytopoiesesgastroenterologiesdisputatiousnessesdisintermediationsdisconsolatenessesdiastereoisomerismdephosphorylationsdepersonalizationsdenominationalismscounterstrategistscounteraggressionscounteraccusationsconversationalistscontradistinctionsconsubstantiationsconstitutionalizesconstitutionalistsconstitutionalismsconservativenessesconsequentialitiescongregationalistscongregationalismscommensurabilitiesbiotransformationsbacteriorhodopsinsaustralopithecinesastrophotographiesarchaeoastronomiesanticommercialismsunsatisfactorinessunquestionablenesssentimentalisationpteridospermopsidapsychotherapeuticshomobasidiomycetescross-fertilizationcross-fertilisationcorrosion-resistantarteriolosclerosisanticholinesterase
Phrases (356)
voiceless consonanttreaty of versaillestomistoma schlegelitheodosius the greattangible possessionsuborder anisopterasolidago spathulatasolid body substancesocial organisationsir martin frobishersir frederick ashtonsir arthur john evanssecurity consultantscottish highlanderrespiratory illnesspooecetes gramineuspolitical dissidentpolianthes tuberosapoisonous substancephysiological stateoscar hammerstein iioil-industry analystoceanites oceanicusnewspaper columnistnavigational systemnational censorshipmusical compositionmusculus temporalismaterial possessionlogistic assistancelogistic assessmentisabella i of castilehypostasis of christhouses of parliamenthealth professionalgustatory sensationgenus recurvirostragenus melopsittacusgenus eschscholtziaessential conditionessential amino acideconomic assistancedylan marlais thomasdmitri shostakovichdisreputable persondirect transmissiondigitalis glycosideconstantin brancusiconservation of masscommissaire maigretcolocasia esculentacollapsible sheltercognitive semanticsclass schizomycetesclass dicotyledonaecastanea mollissimacapital of wisconsincapital of tennesseebush administrationbanana passion fruitattestation serviceastronomy satelliteascension of the lordartocarpus communisapodemus sylvaticusantispasmodic agentantagonistic muscleamaranthus spinosusalytes obstetricansair-to-ground missileyellow bristlegrassyellow bristle grasswrit of habeas corpuswoolsorter's diseasewestern ribbon snakewestern mountain ashwest indian smallpoxwesleyan methodistswandering albatrossvolumetric analysisvena supraorbitalisvena stylomastoideavascular prosthesisvaledictory addressunspoken accusationunited states dollartyrannus vociferanstussock caterpillartrisodium phosphatetransmission systemtopical anaesthesiatobacco mosaic virusthujopsis dolobratathomas stearns eliotthomas gainsboroughthermoplastic resinthamnophis sirtalisthamnophis sauritusthamnophis proximustextual scholarshipsystema urogenitalesystema digestoriumsystem of numerationsynaptomys borealissymplocus tinctoriaswiss confederationsuspended animationsuborder tarsioideasuborder ceratopsiasubclass actinopodastructural genomicsstochastic variablestellar associationsteganopus tricolorstations of the crossstarvation acidosisstanford universitystained-glass windowst. ignatius of loyolaspotsylvania countyspanish oyster plantspanish inquisitionsouth celestial polesonora semiannulatasodium thiosulphatesir ernst boris chainsignal-to-noise ratioshort saphenous veinshort gastric arteryshorea teysmannianasexual relationshipsensory deprivationsemi-sweet chocolatesecobarbital sodiumscleroderma bovistasciaenops ocellatussaratoga spittlebugsample distributionsaint thomas aquinassaint thomas a becketsaint teresa of avilasailor's breastplaterobert james fischerrhizoctinia diseaseretarded depressionrespiratory diseaserelative atomic massregression equationregional anesthesiareal-time processingreactive depressionquadriphonic systemquadraphonic systempylodictus olivarispterocarpus indicuspsychotria capensispsychological statepsoriatic arthritispseudotaxus chieniiprunus angustifoliaprumnopitys elegansprofessional tennisprionotus carolinuspresident john adamspotos caudivolvuluspotassium hydroxidepotassium carbonatepotamogeton crispuspositive chemotaxispomatomus saltatrixpolitical scientistpolitical commissarpoephila castanotisplatanus orientalisphyllostachys nigraphragmites communisphonological systempezophaps solitariaperiodontal diseasepedilanthus pavonispediculosis capitispedestrian crossingpaul bustill robesonparochetus communispaprilus alepidotuspancreatic fibrosisorder ustilaginalesorder rickettsialesorder psilophytalesopisthocomus hoazinoperations researchomphalotus illudensolfactory sensationobservation stationnyctanassa violaceanon-christian priestnervous prostrationnational assistancenasogastric feedingmyositis trichinosamyasthenic syndromemusculus pectoralismusculus buccinatormountain watercressmineral associationmilitary commissionmilitary censorshipmetabolic alkalosismaster of ceremoniesmarta brigit nilssonmalacosoma disstrialoxostege similalislivistona australislip synchronisationleycesteria formosaleptopteris superbalepiota cepaestipesleontocebus rosalialathyrus latifoliuslaportea canadensislactarius deliciosokeratosis nigricansjunction transistorjoint chiefs of staffjessica lucy mitfordjatropha stimulosusjapanese poinsettiajames francis thorpeislets of langerhansiron-storage diseasein one's birthday suithysterical neurosishynerpeton bassettihuntington's diseasehindu kush mountainshesperis matronalisheat of dissociationhalicoeres radiatusguilt by associationgreat saphenous veingoods and service taxgenyonemus lineatusgenus zinjanthropusgenus stephanomeriagenus septobasidiumgenus schizopetalongenus pseudowinteragenus pleurothallisgenus platypoecilusgenus lepidothamnusgenus lagerstroemiagenus lactobacillusgenus ichthyosaurusgenus hyacinthoidesgenus ginglymostomagenus gasterophilusgenus dicranopterisgenus chorizagrotisgenus calamagrostisgenus anoectochilusgenus actiniopterisfirst battle of ypresfirst baron tennysonfausto paolo sozzinifast of the firstbornfamily rhiptoglossaeuarctos americanusestrogen antagonistesther hobart morrisepistle to the romansepacris obtusifoliaenglish hippocratesecclesiastical robeecclesiastical modeeastern indigo snakeeastern fox squirreleastern catholicismeast indian rosewooddryopteris fragransdryopteris filix-masdouble-breasted suitdorothy leigh sayersdissociation energydiscretionary trustdicamptodon ensatusdianthus latifoliusdavidson's penstemondaucus carota sativacystopteris montanacystophora cristatacyclopes didactyluscutaneous sensationcourt of saint james'scorrosive sublimatecoronary thrombosiscoreopsis tinctoriacordyline australiscordia gerascanthusconversion hysteriacontinuing trespassconduction deafnesscompetitor analysiscompassionate leavecommunist manifestocolaptes chrysoidesclianthus speciosusclematis versicolorclaudius ptolemaeusclassical mythologyclass holothuroideaclass hepaticopsidaclass ginkgophytinaclass dicotyledonesclass cyanobacteriachristian schonbeinchoriotis australischinese scholartreechinese scholar treechinese parasol treecharles william postchaenopsis ocellatacerebral thrombosiscercis occidentalisceltis occidentaliscatherine i of russiacastilleja chromosacastanea ozarkensiscassia occidentaliscassia augustifoliacasanova de seingaltbroadcasting studioboy scouts of americabook of ecclesiastesbocconia frutescensbidens trichospermabarometric pressureaustrotaxus spicataastroloma humifusumassociative aphasiaassociate professorassociate in nursingassistant professorasian tiger mosquitoarticulatory systemarterial blood gasesaristotelia serrataaristarchus of samosarisaema atrorubensanarchist communismanamnestic responseagitated depressionaegilops triuncalisadult-onset diabetesacoustic resistanceacoustic absorptionabsorption spectrum
WordDB Icon
WordDB
United Kingdom
Download the WordDB app directly on your home screen for instant access. No App Store necessary, less than 1MB storage, always up-to-date and secure.
1.
Tap on share button
2.
Tap on Add To Home Screenadd button
3.
Find WordDB App Icon on your home screen