18-Letter Words Containing: O,A,S,I,S
(In Any Order)
There are 141 18 letter words,
501 18 letter phrases and
0 18 letter abbr's with
O,A,S,I,S in.
Best Scoring 18 Letter Words With: O,A,S,I,S
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All 18 Letter Words
Words (141)
gastroenterologisttransubstantiationsociopsychologicalantivivisectionisthyperaldosteronismvaingloriousnessesunprofitablenessesuniformitarianismsunconscionablenessultrasophisticatedultraconservativesultraconservatismstriskaidekaphobiastransportabilitiestransistorizationstransilluminationsthermoplasticitiestachistoscopicallysupranationalitiessupersophisticatedsupercivilizationssuperadministratorsubmicroscopicallysubclassificationssubcategorizationsstructuralizationsstereospecificallystereoregularitiessphygmomanometriesspectroheliographssomnambulisticallysimultaneousnessessemiprofessionallysemidomesticationssemiconservativelysatisfactorinessessacrilegiousnessesrevascularizationsrehospitalizationsrecrystallizationsrambunctiousnessesradiosensitivitiesquestionablenessesquasiperiodicitiespsychopathologistspraiseworthinessespostpsychoanalyticpostmillennialistspostmillennialismspostmillenarianismphotosensitizationphotodissociationsphotodisintegratesphosphodiesterasespertinaciousnessesoverindustrializesoverclassificationostentatiousnessesorthopsychiatristsopinionativenessesnonrepresentativesnondiscriminationsnoncooperationistsnonarbitrarinessesnonanthropologistsneurotransmissionsneuropsychiatristsmultifariousnessesmisrepresentationsmisinterpretationsmisidentificationsmisclassificationsmisadministrationsmechanochemistriesmaladministrationsmagnetoresistancesirreproachablenessirreconcilablenessinterrelationshipsinstitutionalisinginhospitablenessesinharmoniousnessesindustrializationsincontestabilitiesinconsolablenessesinconsiderablenessinauspiciousnessesimpersonalizationsimmunosuppressantsimmunopathologistshyposensitizationshypersensitizationhydrometallurgistshomoscedasticitieshistophysiologicalgranulocytopoiesisgranulocytopoiesesglycosaminoglycansgastroenterologiesdisputatiousnessesdisintermediationsdishonorablenessesdisconsolatenessesdiastereoisomerismdephosphorylationsdepersonalizationsdeoxyribonucleasesdenominationalismsdehydrochlorinasescounterstrategistscounteraggressionscounteraccusationsconversationalistscontradistinctionsconsubstantiationsconstitutionalizesconstitutionalistsconstitutionalismsconservativenessesconsequentialitiescongregationalistscongregationalismscommunicablenessescommensurabilitiesbiotransformationsbacteriorhodopsinsaustralopithecinesastrophotographiesarchaeoastronomiesanticommercialismsunsatisfactorinessunquestionablenesssentimentalisationpteridospermopsidapsychotherapeuticshomobasidiomycetescross-fertilizationcross-fertilisationcorrosion-resistantarteriolosclerosisanticholinesterasePhrases (501)
voiceless consonanttreaty of versaillestomistoma schlegelitheodosius the greattangible possessionsuborder anisopterasolidago spathulatasolid body substancesocial organisationsir martin frobishersir frederick ashtonsir arthur john evanssecurity consultantscottish highlandersamolus parviflorusrheims-douay versionrespiratory illnessprofessional golferprofessional boxingpooecetes gramineuspolitical dissidentpolianthes tuberosapoisonous substanceplanning commissionphysiological stateparkinson's syndromeoscar hammerstein iiorder sarracenialesorder sarcosporidiaorder passeriformeson an irregular basisoil-industry analystoceanites oceanicusnicolaus copernicusnewspaper columnistnavigational systemnational censorshipmusical compositionmusculus temporalismusculospiral nervemorchella crassipesmeconopsis cambricamaterial possessionlogistic assistancelogistic assessmentlepomis macrochiruslanius lucovicianusjons jakob berzeliusisabella i of castileirvingia gabonensishypostasis of christhouses of parliamenthealth professionalgustatory sensationgossypium herbaceumgeophysical sciencegenus recurvirostragenus melopsittacusgenus eschscholtziaexpressed almond oileusebius of caesareaessential conditionessential amino aciderinaceus europaeuserigeron canadensiseconomic assistancedylan marlais thomasdouay-rheims versiondmitri shostakovichdisreputable persondisagreeable persondirect transmissiondigitalis glycosideconstantin brancusiconservation of masscompression bandagecommissaire maigretcolocasia esculentacollapsible sheltercognitive semanticsclass schizomycetesclass magnoliopsidaclass hyalospongiaeclass dicotyledonaecastanea mollissimacapital of wisconsincapital of tennesseebush administrationbanana passion fruitaugsburg confessionattestation serviceastronomy satelliteassyrian neo-aramaicascension of the lordartocarpus communisapodemus sylvaticusantispasmodic agentantagonistic muscleanchusa officinalisanalysis of varianceamaranthus spinosusalytes obstetricansalexander i of russiaair-to-ground missileadenosine deaminasezigadenus venenosusyellow lady's slipperyellow bristlegrassyellow bristle grasswynnea sparassoideswrit of habeas corpuswoolsorter's diseasewestern ribbon snakewestern mountain ashwest indian smallpoxwesleyan methodistswandering albatrossvolumetric analysisvespula maculifronsvena supraorbitalisvena stylomastoideavascular prosthesisvaranus komodoensisvaledictory addressunspoken accusationunited states dollarunipolar depressiontyrannus vociferanstussock caterpillartrisodium phosphatetransmission systemtopical anaesthesiatobacco mosaic virusthujopsis dolobratathomas stearns eliotthomas gainsboroughthermoplastic resinthamnophis sirtalisthamnophis sauritusthamnophis proximustextual scholarshipsystema urogenitalesystema digestoriumsystem of numerationsynaptomys borealissymplocus tinctoriasymphoricarpos albaswiss confederationsuspended animationsurvivors insurancesupra expressionismsupervisory programsuborder tarsioideasuborder ceratopsiasubgenus calliopsissubclass actinopodastructural genomicsstochastic variablestellar associationsteganopus tricolorstations of the crossstarvation acidosisstanford universitystained-glass windowst. ignatius of loyolaspotsylvania countyspanish oyster plantspanish inquisitionsouth celestial polesonora semiannulatasolidago canadensissolanum commersoniisolanum carolinensesodium thiosulphatesocio-economic classsloanea jamaicensissir john carew ecclessir ernst boris chainsignal-to-noise ratioshoshonian languageshort saphenous veinshort gastric arteryshorea teysmannianasexual relationshipsensory deprivationsemi-sweet chocolatesecobarbital sodiumscolymus hispanicusscleroderma bovistasciaenops ocellatussaxifraga hypnoidessarcophilus hariisisaratoga spittlebugsarah kemble siddonssample distributionsamolus floribundussaint thomas aquinassaint thomas a becketsaint teresa of avilasailor's breastplaterobert james fischerrhizoctinia diseaseretarded depressionrespiratory diseaserelative atomic massregression equationregression analysisregional anesthesiareal-time processingreactive depressionrachel louise carsonquadriphonic systemquadraphonic systempylodictus olivarispublius ovidius nasopterocarpus indicuspsychotria capensispsychological statepsoriatic arthritispseudotaxus chieniiprunus angustifoliaprumnopitys elegansprosopis juliifloraprosopis glandulosaprofessional tennisprofessional personprofessional dancerprionotus carolinuspresident john adamspotos caudivolvuluspotassium hydroxidepotassium carbonatepotamogeton crispuspositive chemotaxispopulus balsamiferapomatomus saltatrixpolitical scientistpolitical commissarpoephila castanotisplatanus orientalisphyllostachys nigraphragmites communisphonological systemphasianus colchicusphaseolus coccineusphaseolus angularispezophaps solitariaperiodontal diseasepeperomia sandersiipedilanthus pavonispediculosis capitispedestrian crossingpaul bustill robesonparochetus communisparascalops breweriparallel processingpaprilus alepidotuspancreatic fibrosispanax pseudoginsengpalace of versaillesoreamnos americanusorder ustilaginalesorder rickettsialesorder psilophytalesorder aspergillalesopisthocomus hoazinoperations researchomphalotus illudensolfactory sensationobservation stationnyctanassa violaceanucleolus organisernon-christian priestnicholas ii of russianervous prostrationnational assistancenasogastric feedingnarcissus jonquillamyositis trichinosamyasthenic syndromemusculus pectoralismusculus buccinatormountain watercressmineral associationmilitary commissionmilitary censorshipmetabolic alkalosismelissa officinalismaster of ceremoniesmason and dixon's linemarta brigit nilssonmarble bones diseasemalacosoma disstriamacrozamia spiralislysiloma bahamensislupinus subcarnosusloxostege similalislouis henry sullivanlouis henri sullivanlonicera canadensislivistona australislip synchronisationleycesteria formosaleptopteris superbalepiota cepaestipesleontocebus rosaliale douanier rousseaulathyrus latifoliuslaportea canadensisland-office businesslactarius deliciosokorsakov's psychosiskeratosis nigricansjunction transistorjuan carlos i of spainjosiah willard gibbsjoint chiefs of staffjessica lucy mitfordjatropha stimulosusjapanese poinsettiajames francis thorpejacksonian epilepsyislets of langerhansiron-storage diseaseipomoea orizabensisin one's birthday suithysterical neurosishynerpeton bassettihuntington's diseasehorseshoe whipsnakehomo sapiens sapienshindu kush mountainshesperis matronalisheat of dissociationharold hirschsprunghaplopappus acaulishalicoeres radiatusguilt by associationgrindelia squarrosagreen monkey diseasegreat saphenous veingoods and service taxgenyonemus lineatusgenus zinjanthropusgenus stephanomeriagenus septobasidiumgenus schizophragmagenus schizopetalongenus pseudowinteragenus poecilocapsusgenus pleurothallisgenus platypoecilusgenus micropogoniasgenus lepidothamnusgenus lagerstroemiagenus lactobacillusgenus ichthyosaurusgenus hyacinthoidesgenus ginglymostomagenus gasterophilusgenus dicranopterisgenus chorizagrotisgenus chirocephalusgenus cardiospermumgenus calamagrostisgenus archidiskidongenus anoectochilusgenus actiniopterisfragaria chiloensisfirst battle of ypresfirst baron tennysonfausto paolo sozzinifast of the firstbornfamily rhiptoglossafairness commissioneuonymus americanuseuclid's second axiomeuarctos americanusestrogen antagonistesther hobart morrisepistle to the romansepacris obtusifoliaenglish hippocrateselaeocarpus grandiseichhornia spesiosaecclesiastical robeecclesiastical modeeastern indigo snakeeastern fox squirreleastern catholicismeast indian rosewooddwarf russian almonddryopteris fragransdryopteris filix-masdouglas fairbanks jr.double-breasted suitdorsal scapular veindorothy leigh sayersdissociation energydiscretionary trustdicamptodon ensatusdianthus latifoliusdelusional disorderdavidson's penstemondaucus carota sativacystopteris montanacystophora cristatacynoglossum amabilecyclopes didactyluscutaneous sensationcupressus govenianacupressus arizonicacriminal possessioncourt of saint james'scorrosive sublimatecoronavirus diseasecoronary thrombosiscornelius janseniuscoreopsis tinctoriacordyline australiscordia gerascanthusconversion hysteriacontinuing trespassconnarus guianensisconduction deafnesscompetitor analysiscompassionate leavecommunist manifestocommon lady's-slippercolinus virginianuscolaptes chrysoidesclinical depressionclianthus speciosusclematis versicolorclaudius ptolemaeusclassical philologyclassical mythologyclass holothuroideaclass hepaticopsidaclass ginkgophytinaclass dicotyledonesclass cyanobacteriaclass coniferopsidachrysobalanus icacochristian schonbeinchoriotis australischinese scholartreechinese scholar treechinese parasol treecharles william postchaenopsis ocellatacerebral thrombosiscercis occidentalisceltis occidentaliscatherine i of russiacastilleja chromosacastanea ozarkensiscassia occidentaliscassia augustifoliacasanova de seingaltcarissa grandifloracamelus dromedariuscamassia scilloidescallorhinus ursinusbubalus mindorensisbronchoscopic smearbroadcasting studioboy scouts of americabouvier des flandresbook of ecclesiastesbocconia frutescensbillion-dollar grassbidens trichospermabarometric pressurebarack hussein obamaaustrotaxus spicataastroloma humifusumassociative aphasiaassociate professorassociate in nursingassistant professorasian tiger mosquitoasian horseshoe crabarticulatory systemarterial blood gasesarnold lucius gesellaristotelia serrataaristarchus of samosarisaema atrorubensanolis carolinensisanoa depressicornisanarchist communismanamnestic responsealice-josephine ponsagitated depressionagelaius phoeniceusaegilops triuncalisadult-onset diabetesacoustic resistanceacoustic absorptionabsorption spectrum
