Dictionary Only:
Profanity Off:

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

 (In Any Order)
There are 62 20 letter words, 420 20 letter phrases and 0 20 letter abbr's with I,O,S,S in.

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

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 (62)
overenthusiasticallyunsatisfactorinessesunderrepresentationsunconscionablenessesuncompromisingnessesultrasegregationiststransformationalistssuperspecializationsspectroheliographiesspectrofluorometriesrepresentationalistsrepresentationalismsreindustrializationsradioimmunoassayablepsychopharmacologistpsychopharmacologiespseudosophisticationpseudocholinesteraseprofessionalizationsphotoreconnaissancesphotodisintegrationsphosphofructokinasesphosphatidylcholinesphiloprogenitivenesspaleoanthropologistsoverprotectivenessesnondestructivenessesneuropharmacologistsmischaracterizationsmicropaleontologistsmicroelectrophoresismicroelectrophoresesmicrocrystallinitieslymphogranulomatosisirreproachablenessesirreconcilablenessesinterstratificationsinterconnectednessesinconsiderablenessesinconsequentialitiesincomprehensiblenessincommensurabilitieshyperparathyroidismshyperconsciousnesseshomotransplantationshistocompatibilitiesexpressionlessnesseselectrophysiologistselectroluminescencesdimethylnitrosaminesdeindustrializationscountersurveillancescontradistinguishingcomprehensiblenessesantifluoridationistsanticonservationistsacetylcholinesterasenoninstitutionalisednephroangiosclerosisincontrovertiblenessimmunohistochemistryheterobasidiomycetes
Phrases (420)
william stanley jevonsvaricella zoster virusuniversity of nebraskatumour necrosis factortransportation systemthousand and one nightsthomas lanier williamstelopea speciosissimasuborder strepsirhinisuborder myxiniformessubclass lepidosauriasubclass commelinidaestephen collins fostersphenisciform seabirdsouthern united statessocial justice warriorsir james george frazersir charles wheatstonesense of right and wrongsecond coming of christscomberomorus regalisscipio africanus majorschool superintendentsaponaria officinalissamuel rawson gardinersaint peter the apostlerobert louis stevensonrhizopogon idahoensisresurrection of christresident commissionerpseudotsuga menziesiiprofessional relationpollachius pollachiusplatanus occidentalispersonal relationshippast progressive tensepass with flying colorsoryctolagus cuniculusorder sphenisciformesobstruction of justicenymphicus hollandicusnutritionist's calorieneisseria gonorrhoeaemilton snavely hersheymasticophis flagellumluscinia megarhynchosjudgement of dismissaljoseph louis gay-lussacindochinese peninsulaindirect transmissionhylocichla fuscescenshans christian oerstedgross national productgleditsia triacanthosgenus ornithorhynchusfundulus heteroclitusfrankenstein's monsterfamily tachyglossidaefamily passifloraceaefamily gasterosteidaeendogenous depressioneleocharis acicularisecological successiondianthus caryophyllusctenocephalides caniscross-florida waterwaycortinarius violaceusconvolvulus scammoniaconfession of judgmentcommunity of interestscomedogenic substanceclassification systemclass hemiascomyceteschristopher isherwoodcharadrius morinelluscentropus phasianinuscarson smith mccullerscardinal compass pointcaprimulgus vociferuscaprimulgus europaeuscapital of mississippibyelorussian languagebusiness relationshipbusiness organizationbusiness organisationbritish pound sterlingbotaurus lentiginosusblue ribbon commissionbasidiomycetous fungibaron snow of leicesterapostle of the gentilesanemopsis californicaamerican harvest mouseambystomid salamanderambloplites rupestrisalexander iii of russiaalessandro cagliostroaimee semple mcphersonadenosine diphosphatezalophus californicusxiphosurus polyphemusximenesia encelioidesxenorhyncus asiaticusxanthosoma atrovirensxanthoma disseminatumworkmen's compensationword processing systemwoolsorter's pneumoniawilliam felton russellwestern honey mesquitevoice in the wildernessverbesina encelioidesvena supratrochlearisvena labialis superiorvaccinium caespitosumustilaginoidea virensuniversal propositionuniversal gas constantunited states congressunited states air forcetwelve tribes of israeltrichosurus vulpeculatrichomanes speciosumtransversus abdoministranscortical aphasiatrachinotus carolinustoxic industrial wastetonsilla pharyngealistolypeutes tricinctustobias george smollettthysanopterous insecttheory of dissociationtheodore francis powysthelonious sphere monktelevision newscastertaurotragus derbianustamiasciurus douglasisysteme internationalsystema respiratoriumsynchronous operationsymplocarpus foetidussylvilagus floridanusswainsona grandifloraswainsona galegifoliasurvival of the fittestsuperior rectus musclesuperfamily muscoideasudanese monetary unitsuborder sciuromorphasuborder plesiosauriasuborder heterostracisuborder cephalaspidasubfamily mimosoideaesubclass zoomastiginasubclass telosporidiasubclass discomycetessubclass branchiopodasteatornis caripensisstatute of limitationsstatistical procedurestandard transmissionstaffordshire terrierspiranthes porrifoliaspecial-interest groupspartina cynosuroidessouth american sea lionsomatic sensory systemsolidago sempervirenssoleirolia soleiroliisoftware optimisationsodium orthophosphatesodium lauryl sulphatesocial stratificationsocial security numbersocial anthropologistsmiledon californicusslip-tongue log skiddersisymbrium officinalesir oliver joseph lodgesir joseph john thomsonsir james young simpsonsir geoffrey wilkinsonsinusoidal projectionsiderochrestic anemiasideroblastic anaemiashort-billed marsh wrensexual discriminationsenior master sergeantsecond epistle of petersecond council of lyonsseborrheic dermatitisscintillating scotomascheduled territoriessceloglaux albifaciesscaphiopus bombifronsscabiosa atropurpureasaxifraga stoloniferasaxifraga sarmentosamsanvitalia procumbenssalvelinus fontinalissalah al-din battalionssaint james the apostlesaint francis of assisirubus idaeus strigosusrhododendron viscosumrespiratory alkalosisrepublic of seychellesreconnaissance by firequercus ellipsoidalispyramidal motor systempurse-string operationpublius vergilius maropterocarpus marsupiumpsychopsis kramerianapsychological sciencepseudococcus fragilisprofit and loss accountprofessional footballprofessional baseballprocessus coronoideusprimary solid solutionpresident george w. bushpotassium-argon datingpotassium bicarbonateposttraumatic amnesiaposterior labial veinspostal rate commissionporonotus triacanthuspopulation commissionpolystichum setiferumpolystichum lonchitispolitical correctnesspodocarpus latifoliuspittsburgh of the southphysostigma venenosumphlegmasia alba dolensphlebotomus papatasiiphaseolus multiflorusphalaropus fulicariusphalaenopsis amabilisperonospora hyoscyamiperomyscus gossypinusperitonsillar abscessperisoreus canadensispercussion instrumentpenstemon whippleanuspenstemon linarioidespenicillin v potassiumpassiflora mollissimapassiflora maliformispassiflora laurifoliaparietomastoid suturepaper electrophoresispachyrhizus tuberosusorthophosphorous acidorder scrophularialesorder blastocladialesorder aristolochialesophioglossum pendulumoperation desert stormnotropis atherinoidesnorthwest territoriesnorthern united statesnorth island edelweissnonviolent resistancenonrestrictive clausenerve block anesthesianeoceratodus forsterinecrobiosis lipoidicanarthecium ossifragummyrmecobius fasciatusmumification necrosismountain lady's slippermorphophonemic systemmorchella angusticepsmolluscum contagiosummigratory grasshoppermicropterus salmoidesmeriones unguiculatusmelilotus officinalismaximilian's sunflowermasticophis lateralismarcus terentius varromacrotus californicusmacronectes giganteuslyrurus mlokosiewiczilonicera sempervirenslipoid granulomatosislesser rhomboid muscleleptotyphlops humilislasthenia chrysostomaklinefelter's syndromekinetic theory of gasesketosis-prone diabetesjournalist's privilegejoseph warren stilwelljohn augustus roeblingjohn addington symondsjames douglas morrisonisthmus of tehuantepecisovolumetric processisidor feinstein stoneinhalation anesthesiainferior rectus muscleindustrial psychologyhyacinthus orientalishorizontal stabiliserhimantopus himantopushibiscus rosa-sinensisherschelian telescopehelleborus orientalishelianthus petiolarishare's-foot bristle fernhalicoeres bivittatusgross domestic productgriselinia littoralisgooseneck loosestrifegnaeus pompeius magnusgnaeus julius agricolaglaucous bristlegrassgeorge william russellgeometric progressiongenus reithrodontomysgenus ptilonorhynchusgenus pithecanthropusgenus hippoglossoidesgenus gymnosporangiumgenus ctenocephalidesgenus aspidophoroidesgenus argentinosaurusgenus aegyptopithecusgenus acanthoscelidesgaussian distributiongalvanic skin responsegaleorhinus zyopterusgaius cassius longinusforeground processingflindersia schottianafield press censorshipfamily scombresocidaefamily osteoglossidaefamily discoglossidaeeuphorbia cyparissiasestraterrestrial bodyeschrichtius robustuseschrichtius gibbosuserythronium dens-caniseragrostic abyssinicaenglish cocker spanielempiricist philosophyelectronic transistoredith giovanna gassionechinocactus grusoniidryopteris oreopterisdryopteris marginalisdomestic silkworm mothdoctoral dissertationdissociative disorderdissociation constantdisassortative matingdionysius i of syracusedicrostonyx hudsoniusdesmanthus ilinoensisdemetrius poliorcetesdavid alfaro siqueirosdante gabriel rossettidalbergia stevensoniicystopteris bulbiferacyperus alternifoliuscyamopsis psoraloidesctenocephalides feliscrotalaria sagitalliscosmological constantcortinarius mutabiliscoronary heart diseasecoral-root bittercressconvergent strabismusconstruction industryconduction anesthesiacompensatory spendingcolorimetric analysisclinical psychologistclassical haemophiliacistothorus platensiscistothorus palustrischrysophrys australischinese black mushroomchilomeniscus cinctuscharles dillon stengelcervical disc syndromecentaurium scilloidescelastrus orbiculatuscarya myristiciformiscardiovascular systemcardiac resuscitationcarcharhinus obscuruscalculus of variationsbrugmansia suaveolensbrassaia actinophyllablastodermic vessiclebegonia semperflorensbackground processingaustronesian languageaustralian coral snakeatlantic spiny dogfishastreus hygrometricusasplenium trichomanesasparagus officinalesasarum shuttleworthiiarteria intercostalisartemisia gnaphalodesartaxerxes ii of persiaariocarpus fissuratusardisia escallonoidesarctostaphylos alpinaantonius stradivariusantitrust legislationambrosia psilostachyaaldrovanda vesiculosaairborne transmission
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