20-Letter Words Containing: A,T,O,S
(In Any Order)
There are 102 20 letter words,
672 20 letter phrases and
0 20 letter abbr's with
A,T,O,S in.
Best Scoring 20 Letter Words With: A,T,O,S
| Expand? | Word | Save? | Length | Usage | Points | Type | |
|---|---|---|---|---|---|---|---|
We couldn't find any valid Scrabble US words with a length of 20. Try changing the version of the game.
Tip: Scrabble EU allows far more words than US! | |||||||
All 20 Letter Words
Words (102)
overenthusiasticallyinstitutionalizationhypercholesterolemiaunsatisfactorinessesunderrepresentationsultrasegregationistsultrarevolutionariesultramicroscopicallyultracentrifugationstransformationalistssyncategorematicallysuperspecializationsspectrophotometricalspectroheliographiesrepresentationalistsrepresentationalismsreinstitutionalizingreindustrializationsreconceptualizationsradiopharmaceuticalspsychopharmacologistpsychopathologicallypseudosophisticationpseudoparenchymatouspseudocholinesteraseprofessionalizationsplethysmographicallyphotoreconnaissancesphotophosphorylationphotointerpretationsphotodisintegrationsphosphomonoesterasesphosphofructokinasesphosphoenolpyruvatesphosphatidylcholinesphenylthiocarbamidespaleoanthropologistsoverintellectualizesoverdifferentiationsnondenominationalismneuropsychiatricallyneuropharmacologistsmischaracterizationsmicropaleontologistsmicrocrystallinitiesmagnetofluiddynamicslymphogranulomatosislymphogranulomatoseskeratoconjunctivitesinterstratificationsintellectualizationsinconsequentialitiesincommensurabilitiesimmunoprecipitationshyperparathyroidismshypercoagulabilitieshydrochlorothiazideshomotransplantationshistocompatibilitiesextemporaneousnessesencephalomyocarditiselectrophysiologicalelectrophotographieselectrooculographiesdimethylnitrosaminesdepartmentalizationsdeinstitutionalizingdeindustrializationsdehydrochlorinationscytodifferentiationscrystallographicallycountertransferencescountersurveillancescountermobilizationscounterdemonstratorscounterdemonstratingconventionalizationscontradistinguishingchlorofluoromethanesbacteriochlorophyllsantifluoridationistsanticonservationistsantiauthoritarianismanthropocentricitiesadrenocorticotropinsadrenocorticosteroidacetylcholinesterasesemiautobiographicalpseudohermaphroditicpalatopharyngoplastyoophorosalpingectomynoninstitutionalizednoninstitutionalisedmagnetohydrodynamicskeratoconjunctivitisinternationalisationhyperadrenocorticismhistoincompatibilityheterobasidiomycetesdestructive-metaboliccounterdemonstrationcompartmentalisationPhrases (672)
yellow-shafted flickerwilliam stanley jevonswilliam hyde wollastonwallace hume carothersvirgil garnett thomsonvaricella zoster virusuniversity of nebraskatwo-dimensional figuretunisian monetary unittumour necrosis factortransportation systemthousand and one nightsthomas lanier williamstelopea speciosissimasusan brownell anthonysubclass entomostracastephen butler leacocksouthern 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 relationpoor man's weatherglassplatanus occidentalisplasminogen activatorphotographic emulsionpersonality inventorypersonal relationshippermanganate of potashpelecanus onocrotaluspast progressive tensepass with flying colorsoryctolagus cuniculusorder myxobacterialesorder mycelia steriliaorder heterotrichalesorder actinomycetalesorder accipitriformesnutritionist's calorienasturtium officinalemilton snavely hersheymilitary installationmetallographic samplemental representationmasticophis flagellummaster of architecturemarket capitalisationmanagement consultantlophodytes cucullatusliving accommodationslevisticum officinalelebanese monetary unitlateral epicondylitisjudgement of dismissaljean-baptiste poquelinjapanese strangleholdjapanese monetary unitjames harold doolittleislamic calendar monthindirect transmissionhyperoodon ampullatushylobates syndactylushenry rowe schoolcrafthenri toulouse-lautrechans christian oerstedgross national productgleditsia triacanthosgeorges henri lemaitregaultheria procumbensfriendly relationshipfrankenstein's monsterfederation of malaysiafather of the submarinefamily tachyglossidaefamily gasterosteidaeeucalyptus calophyllaestonian monetary unitemotional disturbanceeicosapentaenoic aciddivision tracheophytadisplacement reactiondianthus caryophyllusdemonstrative pronoundegenerative disorderctenocephalides caniscross-florida waterwaycortinarius violaceuscontradiction in termsconservation of matterconsecutive operationcomparative anatomistcommercial instrumentcommercial enterprisecomedogenic substanceclosure by compartmentclassification systemclass monocotyledonesclass monocotyledonaeclass hemiascomyceteschlamydia trachomatiscentropus phasianinuscatasetum macrocarpumcase-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 leicesterbalaenoptera physalusb-scan ultrasonographyaustrian monetary unitaustralian bonytongueatmospheric conditionartemisia californicaappendicular skeletonappalachian mountainsapostle of the gentilesanna eleanor rooseveltamerican harvest mouseambystomid salamanderambrose gwinett bierceambloplites rupestrisalessandro cagliostroageratum houstonianumadenosine diphosphateacquisition agreementaboriginal australianabelmoschus moschatusabatement of a nuisancea-scan ultrasonographyyosemite 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 wastetorpedo-boat destroyertonsilla pharyngealistobias george smollettthysanopterous insectthomas edward lawrencethomas augustus watsontheory 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 unitsubphylum urochordatasubornation of perjurysuborder heterostracisuborder anthropoideasubliminal perceptionsubfamily taxodiaceaesubclass zoomastiginasubclass telosporidiasubclass malacostracasubclass exopterygotasubclass discomycetesstrawberry hemangiomastomatopod crustaceanstock-purchase warrantstephen arnold douglassteatornis caripensisstatute of limitationsstatistical procedurestandard transmissionstaffordshire terrierst. gregory of nazianzenst. edward the confessorspodoptera frugiperdasplit-half correlationspiranthes porrifoliasphenoidal fontanellespecial-interest groupspecial duty allowancespartina cynosuroidessouth american sea lionsource of illuminationsomatotrophic hormonesomatic sensory systemsomalian monetary unitsolid-propellant motorsolanaceous vegetablesoftware 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 administrationquercus grosseserrataqueensland bottletreepyridoxine 5'-phosphatepyramidal motor systempurse-string operationpterocarpus marsupiumpsychology departmentpsychic communicationproportional samplingprofit and loss accountprofessional footballprivate security forceprince-of-wales featherprimary solid solutionprice-to-earnings ratiopremenstrual syndromepotassium-argon datingpotassium bicarbonateposttraumatic amnesiaposterior labial veinspostal rate commissionpositive-degree adverbpositive magnetic poleporonotus triacanthuspopulus grandidentatapopulation commissionpopular struggle frontpolystichum aculeatumpolitical correctnesspodocarpus latifoliuspleuronectes platessaplectrophenax nivalisplatte river penstemonpiezoelectric crystalphysostigma venenosumphysiological anatomyphysical anthropologyphyllostomus hastatusphlebotomus papatasiiphilosophy departmentphilip dormer stanhopephaseolus multifloruspersonal line of creditperitonsillar abscesspenstemon whippleanuspenstemon linarioidespenicillin v potassiumparietomastoid suturepaper electrophoresispagellus centrodontuspachyrhizus tuberosusoxyuranus scutellatusoscar palmer robertsonortilis vetula macalliorthophosphorous acidorthogonal oppositionorder of saint benedictorder mycoplasmatalesorder hymenogastralesorder blastocladialesorder aristolochialesoperation desert stormone-hundred-thousandthoceanic whitetip sharkobtuse-angled triangleobject of a prepositionnurse-patient relationnuclear power industrynotropis atherinoidesnorthern united statesnorthern snow bedstrawnorthern jacob's laddernorth island edelweissnonviolent resistancenonrestrictive clausenonmalignant neoplasmnew york stock exchangenerve 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 salmoidesmetrazol shock therapymethod of least squaresmeriones unguiculatusmenyanthes trifoliatamelilotus officinalismegaloblastic anaemiamasticophis lateralismarcus terentius varromanagement consultingmaidenhair spleenwortmagnesium bicarbonatemacrotus californicusmacronectes giganteusmacroclemys temminckilysichiton americanumluis de gongora y argotelofortyx californicuslipoid granulomatosisligustrum ovalifoliumleonotis nepetaefolialecture demonstrationleave no stone unturnedlaurence stephen lowrylasthenia chrysostomalanceolate spleenwortlambert-eaton syndromelabiodental 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 orientalishugo von hoffmannsthalhorizontal stabilizerhorizontal stabiliserhistiocytic leukaemiahimantopus himantopushexalectris warnockiiheterodyne oscillatorherschelian telescopehelleborus orientalishelladic civilisationhelianthus petiolarisheat of transformationheat of solidificationhare's-foot bristle fernhalicoeres bivittatusgypsophila paniculatagutierrezia sarothraegustav theodor fechnerguernsey monetary unitgriselinia littoralisgreatest common factorgreater peritoneal sacgraeco-roman wrestlinggolden-beard penstemonglucose tolerance testglenn theodore seaborgglaucous bristlegrassgiovanni battista cibogeorges jacques dantongeoffroea decorticansgenus truncocolumellagenus trachelospermumgenus tabernaemontanagenus pithecanthropusgenus megalobatrachusgenus grammatophyllumgenus entandrophragmagenus ctenocephalidesgenus cryptacanthodesgenus 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 begoniafetal alcohol syndromefenestra of the cochleafeast 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 grusoniieaton-lambert syndromeduke of argyll's tea treedryopteris marginalisdramatic mezzo-sopranodoubly transitive verbdouble-breasted jacketdoctoral 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 biltmoreanacount alessandro voltacosmological constantcorydalis claviculatacortinarius mutabiliscorpuscular radiationcoronary heart diseasecoral-root bittercressconvergent strabismuscontinental breakfastconte alessandro voltaconstantine i of greececonstant accelerationconservation of parityconservation of energyconservation of chargeconduction anesthesiacompensatory spendingcompact disc write-oncecommon snapping turtlecommon carline thistlecommand sergeant majorcolorimetric analysiscodariocalyx motoriusclustered poppy mallowclose-quarter fightingclopidogrel bisulfateclintonia andrewsianaclinical psychologistclandestine operationcitrophilous mealybugcistothorus platensiscistothorus palustrischrysophyllum cainitochrysophrys australischrosomal abnormalitychloroxylon swieteniacharles robert redfordcharles dillon stengelcervical root syndromecertificate of depositcephalopterus ornatuscentral nervous systemcentaurium scilloidescelastrus orbiculatuscastanea chrysophyllacarya myristiciformiscarpal tunnel syndromecarolina spring beautycardiovascular systemcardiac resuscitationcalostoma cinnabarinacalochortus nuttalliicalculus of variationsbrush-tailed porcupinebrassaia actinophyllaboykinia occidentalisblastodermic vessicleblack-footed albatrossbittersweet chocolatebiscayne national parkbinomial distributionbattle of hampton roadsbasal body temperaturebartolommeo eustachiobalaenoptera musculusbalaenoptera borealisbadlands national parkaversive conditioningaustronesian languageaustralian turtledoveaustralian labor partyaustralian coral snakeatlantic spiny dogfishastrophyton muricatumastreus hygrometricusasplenium trichomanesasplenium platyneuronasarum shuttleworthiiarthur jacob arshawskyartery of the penis bulbarteria intercostalisartemisia ludovicianaartemisia gnaphalodesartaxerxes ii of persiaariocarpus fissuratusarctostaphylos alpinaarctic ground squirrelarceuthobium pusillumaposematic colorationapodictic propositionantonius stradivariusantitrust legislationambrosia psilostachyaairborne transmissionafrican bowstring hempaffine transformation
