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

 (In Any Order)
There are 93 20 letter words, 583 20 letter phrases and 0 20 letter abbr's with A,T,O,I,S in.

Best Scoring 20 Letter Words With: A,T,O,I,S

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Words (93)
overenthusiasticallyinstitutionalizationhypercholesterolemiaunsatisfactorinessesunderrepresentationsultrasegregationistsultrarevolutionariesultramicroscopicallyultracentrifugationstransformationalistssyncategorematicallysuperspecializationsspectrophotometricalspectroheliographiesrepresentationalistsrepresentationalismsreinstitutionalizingreindustrializationsreconceptualizationsradiopharmaceuticalspsychopharmacologistpsychopathologicallypseudosophisticationpseudocholinesteraseprofessionalizationsplethysmographicallyphotoreconnaissancesphotophosphorylationphotointerpretationsphotodisintegrationsphosphofructokinasesphosphatidylcholinesphenylthiocarbamidespaleoanthropologistsoverintellectualizesoverdifferentiationsnondenominationalismneuropsychiatricallyneuropharmacologistsmischaracterizationsmicropaleontologistsmicrocrystallinitiesmagnetofluiddynamicslymphogranulomatosiskeratoconjunctivitesinterstratificationsintellectualizationsinconsequentialitiesincommensurabilitiesimmunoprecipitationshyperparathyroidismshypercoagulabilitieshydrochlorothiazideshomotransplantationshistocompatibilitiesencephalomyocarditiselectrophysiologicalelectrophotographieselectrooculographiesdimethylnitrosaminesdepartmentalizationsdeinstitutionalizingdeindustrializationsdehydrochlorinationscytodifferentiationscrystallographicallycountersurveillancescountermobilizationscounterdemonstratingconventionalizationscontradistinguishingbacteriochlorophyllsantifluoridationistsanticonservationistsantiauthoritarianismanthropocentricitiesadrenocorticotropinsadrenocorticosteroidacetylcholinesterasesemiautobiographicalpseudohermaphroditicoophorosalpingectomynoninstitutionalizednoninstitutionalisedmagnetohydrodynamicskeratoconjunctivitisinternationalisationhyperadrenocorticismhistoincompatibilityheterobasidiomycetesdestructive-metaboliccounterdemonstrationcompartmentalisation
Phrases (583)
yellow-shafted flickerwilliam stanley jevonswilliam hyde wollastonvirgil garnett thomsonvaricella zoster virusuniversity of nebraskatwo-dimensional figuretunisian monetary unittumour necrosis factortransportation systemthousand and one nightsthomas lanier williamstelopea speciosissimasouthern united statessouth american countrysolidago multiradiatasoftware optimizationsocial justice warriorsir charles wheatstonesingle-valued functionsimple harmonic motionsignature recognitionsense of right and wrongselective informationsedative-hypnotic drugsecond lateran councilsaint peter the apostlerobert william servicerequirements contractrepublic of kazakhstanracial discriminationpsychological featurepseudotsuga menziesiiprumnopitys taxifoliaprofessional relationplatanus occidentalisplasminogen activatorphotographic emulsionpersonality inventorypersonal relationshippast progressive tensepass with flying colorsoryctolagus cuniculusorder myxobacterialesorder mycelia steriliaorder heterotrichalesorder actinomycetalesorder accipitriformesnutritionist's calorienasturtium officinalemilton snavely hersheymilitary installationmetallographic samplemental representationmasticophis flagellummaster of architecturemarket capitalisationliving accommodationslevisticum officinalelebanese monetary unitlateral epicondylitisjudgement of dismissaljean-baptiste poquelinjapanese monetary unitjames harold doolittleislamic calendar monthindirect transmissionhenri toulouse-lautrechans christian oerstedgross national productgleditsia triacanthosgeorges henri lemaitregaultheria procumbensfriendly relationshipfrankenstein's monsterfederation of malaysiafather of the submarinefamily tachyglossidaefamily gasterosteidaeestonian monetary unitemotional disturbanceeicosapentaenoic aciddivision tracheophytadisplacement reactiondianthus caryophyllusdemonstrative pronoundegenerative disorderctenocephalides caniscross-florida waterwaycortinarius violaceuscontradiction in termsconservation of matterconsecutive operationcomparative anatomistcommercial instrumentcommercial enterprisecomedogenic substanceclassification systemclass hemiascomyceteschlamydia trachomatiscentropus phasianinuscase-to-infection ratiocarter administrationcarson smith mccullerscardinal compass pointcapital of switzerlandcapital of south dakotacapital of south africacapital of sierra leonecapital of saudi arabiacapital of rhode islandcapital of mississippicapital of afghanistanbusiness relationshipbusiness organizationbusiness organisationbroadcast programmingbotswana monetary unitbotaurus lentiginosusbasidiomycetous fungibaron snow of leicesteraustrian monetary unitaustralian bonytongueatmospheric conditionartemisia californicaappendicular skeletonappalachian mountainsapostle of the gentilesamerican harvest mouseambystomid salamanderambrose gwinett bierceambloplites rupestrisalessandro cagliostroageratum houstonianumadenosine diphosphateacquisition agreementaboriginal australianabatement of a nuisanceyosemite national parkxeroderma pigmentosumxenorhyncus asiaticusxanthosoma atrovirensxanthoma disseminatumwyethia helianthoidesworld trade center siteworkmen's compensationwoolsorter's pneumoniawolstonian glaciationwilliam felton russellwhite-throated sparrowvigdis finnbogadottirvestibule of the vaginavesicoureteral refluxvena supratrochlearisvena facialis anteriorvaccinium caespitosumustilaginoidea virensuniversity of michiganuniversal propositionuniversal product codeuniversal gas constantunited states congressunited states air forceungradable oppositiontwelve tribes of israeltriostium perfoliatumtrichosurus vulpeculatrichomanes speciosumtrichomanes reniformetransversus abdoministransorbital lobotomytranscortical aphasiatrack-to-track seek timetrachinotus carolinustoy manchester terriertoxic industrial wastetonsilla pharyngealistobias george smollettthysanopterous insecttheory of dissociationtheodore francis powystemporal lobe epilepsytelevision-camera tubetelevision newscastertaurotragus derbianustartarian honeysuckletamiasciurus douglasisysteme internationalsystema respiratoriumsynchronous operationsymplocarpus foetidussympathetic vibrationswietinia macrophyllasurvival of the fittestsupport vector machinesuperior labial arterysuperfamily tineoideasudanese monetary unitsubornation of perjurysuborder heterostracisuborder anthropoideasubliminal perceptionsubfamily taxodiaceaesubclass zoomastiginasubclass telosporidiasubclass discomycetesstrawberry hemangiomasteatornis caripensisstatute of limitationsstatistical procedurestandard transmissionstaffordshire terrierst. gregory of nazianzenspodoptera frugiperdasplit-half correlationspiranthes porrifoliasphenoidal fontanellespecial-interest groupspecial duty allowancespartina cynosuroidessouth american sea lionsource of illuminationsomatotrophic hormonesomatic sensory systemsomalian monetary unitsolid-propellant motorsoftware optimisationsodium orthophosphatesodium lauryl sulphatesocial stratificationsocial security numbersocial anthropologistsir harold walter krotosinusoidal projectionsiderochrestic anemiasideroblastic anaemiashort-billed marsh wrensexual discriminationsenior master sergeantsemiautomatic firearmsecretary of educationsecond vatican councilseborrheic dermatitisscutigera coleoptratascouting organizationscleroderma aurantiumscintillation counterscintillating scotomaschizopetalon walkeriscabiosa atropurpureasaxifraga stoloniferasaxifraga sarmentosamsanvitalia procumbenssanitation departmentsalvinia rotundifoliasalvelinus fontinalissalah al-din battalionssaint james the apostlesaint francis of assisirumohra adiantiformisrubus idaeus strigosusround-spored gyromitrarocky mountains cherryrobert charles venturirespiratory infectionrespiratory alkalosisrequired reserve ratiorepublic of uzbekistanrepublic of tajikistanreligious orientationreagan administrationpyridoxine 5'-phosphatepyramidal motor systempurse-string operationpterocarpus marsupiumpsychic communicationproportional samplingprofit and loss accountprofessional footballprivate security forceprince-of-wales featherprimary solid solutionprice-to-earnings ratiopotassium-argon datingpotassium bicarbonateposttraumatic amnesiaposterior labial veinspostal rate commissionpositive-degree adverbpositive magnetic poleporonotus triacanthuspopulus grandidentatapopulation commissionpolystichum aculeatumpolitical correctnesspodocarpus latifoliusplectrophenax nivalisplatte river penstemonpiezoelectric crystalphysostigma venenosumphysiological anatomyphysical anthropologyphlebotomus papatasiiphilosophy departmentphilip dormer stanhopephaseolus multifloruspersonal line of creditperitonsillar abscesspenstemon whippleanuspenstemon linarioidespenicillin v potassiumparietomastoid suturepaper electrophoresispachyrhizus tuberosusortilis vetula macalliorthophosphorous acidorthogonal oppositionorder of saint benedictorder blastocladialesorder aristolochialesoperation desert stormoceanic whitetip sharkobtuse-angled triangleobject of a prepositionnurse-patient relationnuclear power industrynotropis atherinoidesnorthern united statesnorth island edelweissnonviolent resistancenonrestrictive clausenonmalignant neoplasmnerve block anesthesianephrolepis pectinatanepalese monetary unitneoceratodus forsterinegotiable instrumentnarthecium ossifragumnaphthalene poisoningmyrmecobius fasciatusmyeloblastic leukemiamusical accompanimentmusculophrenic arterymumification necrosismountain standard timemountain lady's slippermortise-and-tenon jointmorchella angusticepsmonofocal lens implantmonoblastic leukaemiamoment magnitude scalemolluscum contagiosummistletoe rubber plantmigratory grasshoppermicrosorium punctatummicropterus salmoidesmeriones unguiculatusmenyanthes trifoliatamelilotus officinalismegaloblastic anaemiamasticophis lateralismarcus terentius varromanagement consultingmaidenhair spleenwortmagnesium bicarbonatemacrotus californicusmacronectes giganteusmacroclemys temminckilysichiton americanumluis de gongora y argotelofortyx californicuslipoid granulomatosisligustrum ovalifoliumleonotis nepetaefolialecture demonstrationlasthenia chrysostomalabiodental consonantkosteletzya virginicakinetic theory of gasesketosis-prone diabetesjournalist's privilegejoseph warren stilwelljohn augustus roeblingjohn addington symondsisthmus of tehuantepecintravenous pyelogramintravenous injectionintransitive verb forminternational affairsinhalation anestheticinhalation anesthesiaindustrial revolutionindustrial psychologyimmediate constituenthylactophryne augustihydnocarpus wightianahyacinthus orientalishorizontal stabilizerhorizontal stabiliserhistiocytic leukaemiahimantopus himantopushexalectris warnockiiheterodyne oscillatorherschelian telescopehelleborus orientalishelladic civilisationhelianthus petiolarisheat of transformationheat of solidificationhare's-foot bristle fernhalicoeres bivittatusgypsophila paniculatagutierrezia sarothraeguernsey monetary unitgriselinia littoralisgreater peritoneal sacgraeco-roman wrestlingglaucous bristlegrassgiovanni battista cibogeoffroea decorticansgenus pithecanthropusgenus ctenocephalidesgenus corynebacteriumgenus argentinosaurusgenus aegyptopithecusgenus acanthoscelidesgaussian distributiongastrophryne olivaceagaleorhinus zyopterusfriedrich anton mesmerform genus rhizoctiniaflindersia schottianaflat-topped white asterfirst council of nicaeafirst battle of bull runfirst baron rutherfordfinancial institutionfile transfer protocolfibrous-rooted begoniafeast of the dedicationfamily titanosauridaefamily strophariaceaefamily stercorariidaefamily psilophytaceaefamily phyllostomidaefamily peripatopsidaefamily ostraciontidaefamily osteoglossidaefamily opisthocomidaefamily odontaspididaefamily belostomatidaefamily ambystomatidaefalse lily of the valleyeuropean house cricketeuproctis phaeorrhoeaeucalyptus paucifloraeucalyptus citriodoraeucalypt tereticornisestraterrestrial bodyerythronium dens-caniserythrina vespertilioerigonum fasciculatumeragrostic abyssinicaepipactis helleborineenvironmental scienceenteric-coated aspirinendamoeba histolyticaelizabeth cady stantonelectrostatic printerelectrostatic machineelectronic transistoredward douglas white jr.edith giovanna gassioneconomic mobilisationechinocactus grusoniidryopteris marginalisdramatic mezzo-sopranodoubly transitive verbdoctoral dissertationdivision pteridophytadivision euglenophytadivision dicynodontiadissociative disorderdissociation constantdisassortative matingdiplotaxis tenuifoliadesmanthus ilinoensisdefensive attribitiondavid glasgow farragutdante gabriel rossettidaniel ortega saavedradangerous undertakingdalbergia stevensoniicystopteris bulbiferacyperus alternifoliuscycladic civilisationctenocephalides feliscruciferous vegetablecrotalaria sagitalliscriminal conversationcrataegus biltmoreanacosmological constantcorydalis claviculatacortinarius mutabiliscorpuscular radiationcoronary heart diseasecoral-root bittercressconvergent strabismuscontinental breakfastconstantine i of greececonstant accelerationconservation of parityconservation of energyconservation of chargeconduction anesthesiacompensatory spendingcompact disc write-oncecommon snapping turtlecommon carline thistlecolorimetric analysiscodariocalyx motoriusclose-quarter fightingclopidogrel bisulfateclintonia andrewsianaclinical psychologistclandestine operationcitrophilous mealybugcistothorus platensiscistothorus palustrischrysophyllum cainitochrysophrys australischrosomal abnormalitychloroxylon swieteniacharles dillon stengelcervical root syndromecertificate of depositcentaurium scilloidescelastrus orbiculatuscarya myristiciformiscarolina spring beautycardiovascular systemcardiac resuscitationcalostoma cinnabarinacalochortus nuttalliicalculus of variationsbrush-tailed porcupinebrassaia actinophyllaboykinia occidentalisblastodermic vessiclebittersweet chocolatebiscayne national parkbinomial distributionbartolommeo eustachiobalaenoptera borealisbadlands national parkaversive conditioningaustronesian languageaustralian turtledoveaustralian labor partyaustralian coral snakeatlantic spiny dogfishastrophyton muricatumastreus hygrometricusasplenium trichomanesasplenium platyneuronasarum shuttleworthiiartery of the penis bulbarteria intercostalisartemisia ludovicianaartemisia gnaphalodesartaxerxes ii of persiaariocarpus fissuratusarctostaphylos alpinaarctic ground squirrelarceuthobium pusillumaposematic colorationapodictic propositionantonius stradivariusantitrust legislationambrosia psilostachyaairborne transmissionafrican bowstring hempaffine transformation
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