Dictionary Only:
Profanity Off:

20-Letter Words Containing: O,S,M,A

 (In Any Order)
There are 47 20 letter words, 438 20 letter phrases and 0 20 letter abbr's with O,S,M,A in.

Best Scoring 20 Letter Words With: O,S,M,A

Expand?WordSave?LengthUsagePointsType
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 (47)
hypercholesterolemiaultramicroscopicallytransformationalistssyncategorematicallyspectrophotometricalrepresentationalismsradiopharmaceuticalsradioimmunoassayablepsychopharmacologistpsychopharmacologiespseudoparenchymatousplethysmographicallyphosphomonoesterasesphenylthiocarbamidesphenylpropanolaminesnondenominationalismneuropharmacologistsmischaracterizationsmicropaleontologistsmicrocrystallinitiesmagnetofluiddynamicslymphogranulomatosislymphogranulomatosesincommensurabilitiesimmunoprecipitationshyperparathyroidismshomotransplantationshistocompatibilitiesextemporaneousnessesencephalomyocarditisdimethylnitrosaminesdepartmentalizationscountermobilizationscounterdemonstratorscounterdemonstratingchlorofluoromethanesantiauthoritarianismsemiautobiographicalpseudohermaphroditicoophorosalpingectomymagnetohydrodynamicshyperadrenocorticismhistoincompatibilityheterobasidiomycetesdestructive-metaboliccounterdemonstrationcompartmentalisation
Phrases (438)
william wilkie collinswilliam stanley jevonswilliam lloyd garrisonwilliam hyde wollastonwilliam henry harrisonwallace hume carothersvirgil garnett thomsontwo-dimensional figuretunisian monetary unittumour necrosis factortransportation systemthomas lanier williamstelopea speciosissimasuperfamily coccoideasubclass entomostracasubclass commelinidaesphenisciform seabirdsouth american countrysolidago multiradiatasoftware optimizationsir karl raimund poppersir james george frazersimple harmonic motionselective informationscomberomorus regalisscomberomorus cavallascipio africanus majorsamuel rawson gardinersaccharum officinarumrobert william servicerequirements contractrepublic of madagascarracial discriminationpseudotsuga menziesiiprumnopitys taxifoliaprinciple of parsimonypoor man's weatherglassplasminogen activatorpierre simon de laplacephotographic emulsionpermanganate of potashorder myxobacterialesorder mycelia steriliaorder actinomycetalesorder accipitriformesnymphicus hollandicusnicolas de malebranchenasturtium officinalemilton snavely hersheymilitary installationmetallographic samplemental representationmasticophis flagellummaster of architecturemarket capitalisationmanagement consultantmadonna louise cicconeluscinia megarhynchoslunar excursion moduleludwig mies van der rohelophophora williamsiiliving accommodationslevisticum officinalelebanese monetary unitjudgement of dismissaljapanese monetary unitjames harold doolittleislamic calendar monthindirect transmissionhyperoodon ampullatusgeorges henri lemaitregenus campylorhynchusgaultheria procumbensfrankenstein's monsterfouquieria columnarisfederation of malaysiafather of the submarinefamily tachyglossidaefamily pseudococcidaefamily passifloraceaefamily gasterosteidaeestonian monetary unitemotional disturbanceedward williams morleydisplacement reactiondemonstrative pronoundean gooderham achesonconvolvulus scammoniacontradiction in termsconservation of mattercomparative anatomistcommercial instrumentcommercial enterprisecomedogenic substanceclosure by compartmentclassification systemclass monocotyledonesclass monocotyledonaeclass hemiascomyceteschlamydia trachomatischaradrius morinelluscatasetum macrocarpumcarter administrationcarson smith mccullerscardinal compass pointcaprimulgus vociferuscaprimulgus europaeuscapital of mississippibroadcast programmingbotswana monetary unitbasidiomycetous fungiaustrian monetary unitatmospheric conditionartemisia californicaarcheological remainsappalachian mountainsapium graveolens dulceanemopsis californicaamsinckia grandifloraamerican harvest mouseambystomid salamanderambrose gwinett bierceambloplites rupestrisalice malsenior walkeraimee semple mcphersonageratum houstonianumacquisition agreementabelmoschus moschatusabatement of a nuisanceyurak-samoyed languageyosemite national parkximenesia encelioidesxeroderma pigmentosumxanthosoma atrovirensxanthoma disseminatumworkmen's compensationwoolsorter's pneumoniawoodrow charles hermanwilliam richard morriswilliam nunn lipscom jr.william felton russellvena cerebrum superiorvaccinium caespitosumuniversity of michigantriostium perfoliatumtrichomanes speciosumtrichomanes reniformetransversus abdoministransorbital lobotomytrack-to-track seek timetoy manchester terriertobias george smollettthomas edward lawrencethomas augustus watsontemporal lobe epilepsytelevision-camera tubetamiasciurus douglasisysteme internationalsystema respiratoriumsymplocarpus foetidussympathetic vibrationswietinia macrophyllasupport vector machinesuperfamily tineoideasuperfamily muscoideasudanese monetary unitsubphylum urochordatasuborder sciuromorphasubliminal perceptionsubfamily taxodiaceaesubfamily mimosoideaesubfamily hydromyinaesubfamily cabombaceaesubclass zoomastiginasubclass malacostracasubclass discomycetesstrawberry hemangiomastomatopod crustaceanstatute of limitationsstandard transmissionsouth american sea lionsource of illuminationsomatotrophic hormonesomatic sensory systemsomalian monetary unitsolidago sempervirenssolid-propellant motorsolanum melanocerasumsoftware optimisationsodium orthophosphatesodium lauryl sulphatesocial security numbersmiledon californicussmall magellanic cloudsisymbrium officinalesir james young simpsonsiderochrestic anemiasideroblastic anaemiashort-billed marsh wrensexual discriminationsenior master sergeantsemiautomatic firearmseborrheic dermatitisscleroderma flavidiumscleroderma aurantiumscintillating scotomascaphiopus bombifronssaxifraga sarmentosamsanvitalia procumbenssanitation departmentsalpichroa rhomboideasaint james the apostlerumohra adiantiformisround-spored gyromitrarocky mountains cherryreagan administrationpyramidal motor systempublius vergilius maropterocarpus marsupiumpsychopsis kramerianapsychology departmentpsychic communicationproportional samplingprimary solid solutionpremenstrual syndromepotassium-argon datingpotassium bicarbonateposttraumatic amnesiapostal rate commissionpositive magnetic polepopulation commissionpolystichum aculeatumplatte river penstemonpilosella officinarumphysostigma venenosumphysiological anatomyphyllostomus hastatusphlegmasia alba dolensphlebotomus papatasiiphilosophy departmentphilip dormer stanhopephaseolus multiflorusphalaenopsis amabilisperonospora hyoscyamipenstemon whippleanuspenstemon linarioidespenicillin v potassiumpassiflora mollissimapassiflora maliformisparietomastoid sutureoscar palmer robertsonortilis vetula macalliorganic brain syndromeorder pseudomonadalesorder mycoplasmatalesorder jungermannialesorder hymenogastralesorder charadriiformesorange mushroom pimpleoperation desert stormnonmalignant neoplasmnepalese monetary unitnegotiable instrumentnarthecium ossifragummyrmecobius fasciatusmyeloblastic leukemiamycoplasmal pneumoniamusical accompanimentmusculophrenic arterymumification necrosismountain standard timemountain lady's slippermortise-and-tenon jointmorchella angusticepsmonofocal lens implantmonoblastic leukaemiamoment magnitude scalemolluscum contagiosummistletoe rubber plantmirabilis californicamildred ella didriksonmigratory grasshoppermicrosorium punctatummicropterus salmoidesmetrazol shock therapymethod of least squaresmeriones unguiculatusmenyanthes trifoliatamelilotus officinalismegaloblastic anaemiamaximilian's sunflowermasticophis lateralismarcus terentius varromanagement consultingmaidenhair spleenwortmagnesium bicarbonatemacrotus californicusmacronectes giganteusmacroclemys temminckilysichiton americanumlonicera sempervirenslipoid granulomatosisligustrum ovalifoliumlecture demonstrationlasthenia chrysostomalambert-eaton syndromelaguncularia racemosakingdom of saudi arabiajohn addington symondsjapanese morning gloryjames douglas morrisonisthmus of tehuantepecintravenous pyelogramintransitive verb formimmediate constituenthypericum androsaemumhymenoxys grandiflorahygrophorus marzuolushugo von hoffmannsthalhistiocytic leukaemiahippodamia convergenshimantopus himantopusheracleum sphondyliumheat of transformationguernsey monetary unitgreatest common factorgraeco-roman wrestlinggolden-beard penstemongnaeus pompeius magnusgeranium richardsoniigeorge william russellgenus truncocolumellagenus trachelospermumgenus tabernaemontanagenus megalobatrachusgenus hamamelidoxylongenus gymnosporangiumgenus grammatophyllumgenus entandrophragmagenus corynebacteriumfriedrich anton mesmerform genus rhizoctiniafetal alcohol syndromefamily titanosauridaefamily strophariaceaefamily stercorariidaefamily scyliorhinidaefamily scombresocidaefamily psilophytaceaefamily phyllostomidaefamily peripatopsidaefamily ostraciontidaefamily osteoglossidaefamily opisthocomidaefamily odontaspididaefamily melampsoraceaefamily megalosauridaefamily lophosoriaceaefamily hipposideridaefamily edaphosauridaefamily discoglossidaefamily belostomatidaefamily ambystomatidaeerythronium dens-caniserigonum fasciculatumenvironmental scienceendamoeba histolyticaelectrostatic machineeconomic mobilisationeaton-lambert syndromedryopteris marginalisdramatic mezzo-sopranodisassortative matingdesmanthus ilinoensiscypripedium calceoluscyamopsis psoraloidescriminal conversationcrataegus biltmoreanacoumarone-indene resincosmological constantcosmocampus profunduscortinarius mutabilisconvergent strabismuscompensatory spendingcompact disc write-oncecommon snapping turtlecommon carline thistlecommand sergeant majorcolorimetric analysiscodariocalyx motoriusclustered poppy mallowclassical haemophiliacitrophilous mealybugchrysophyllum cainitochrosomal abnormalitychinese black mushroomcervical root syndromecervical disc syndromecentral nervous systemcentaurium scilloidescarya myristiciformiscarpal tunnel syndromecardiovascular systemcapsicum annuum longumcampanula aparinoidescalostoma cinnabarinacalifornia false morelbrugmansia suaveolensblastodermic vessiclebiochemical mechanismbinomial distributionbegonia semperflorensbattle of hampton roadsbasal body temperaturebartolommeo eustachiobaroness emmusca orczybalaenoptera musculusbaccharis halimifoliaastrophyton muricatumastreus hygrometricusasplenium trichomanesasplenium platyneuronasarum shuttleworthiiartemisia ludovicianaartemisia gnaphalodesarceuthobium pusillumaposematic colorationapalachicola rosemaryangle-closure glaucomaamerican pasqueflowerambrosia psilostachyaairborne transmissionair force space commandagropyron subsecundumafrican bowstring hempaffine transformationacacia auriculiformisabdominal nerve plexus
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