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

 (In Any Order)
There are 16 20 letter words, 95 20 letter phrases and 0 20 letter abbr's with O,S,S,I,S,T in.

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

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We couldn't find any valid Scrabble US words with a length of 20. Try changing the version of the game.
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All 20 Letter Words

Words (16)
unsatisfactorinessesultrasegregationiststransformationalistssuperspecializationsrepresentationalistsrepresentationalismspseudosophisticationpseudocholinesteraseprofessionalizationsphotoreconnaissancesphosphofructokinasesoverprotectivenessesnondestructivenessesinterconnectednesseselectrophysiologistsanticonservationists
Phrases (95)
transportation systemtelopea speciosissimasuborder strepsirhinistephen collins fostersouthern united statessir charles wheatstonerobert louis stevensonresident commissionerpseudotsuga menziesiipast progressive tensepass with flying colorsjudgement of dismissalindirect transmissionhans christian oerstedfrankenstein's monsterclassification systemclass hemiascomycetescentropus phasianinuscarson smith mccullerscapital of mississippibusiness relationshipbusiness organizationbusiness organisationbotaurus lentiginosusambloplites rupestrisalessandro cagliostroxenorhyncus asiaticusword processing systemuniversal gas constantunited states congresstrichomanes speciosumtransversus abdoministhysanopterous insecttelevision newscastertamiasciurus douglasisystema respiratoriumsymplocarpus foetidussuperior rectus musclesubclass zoomastiginasubclass telosporidiasubclass discomycetessteatornis caripensisstandard transmissionspartina cynosuroidessomatic sensory systemsir joseph john thomsonsenior master sergeantsaxifraga sarmentosamsalvelinus fontinalissaint james the apostlesaint francis of assisirubus idaeus strigosusrespiratory alkalosispostal rate commissionphysostigma venenosumphaseolus multiflorusperitonsillar abscesspercussion instrumentpachyrhizus tuberosusnorth island edelweissmyrmecobius fasciatusmicropterus salmoidesmasticophis lateralislasthenia chrysostomaketosis-prone diabetesisovolumetric processisidor feinstein stonegross domestic productgooseneck loosestrifeglaucous bristlegrassgenus argentinosaurusgenus acanthoscelidesgaussian distributionfamily osteoglossidaeeschrichtius robustuseschrichtius gibbosuseragrostic abyssinicadissociative disorderdissociation constantdisassortative matingdicrostonyx hudsoniusdesmanthus ilinoensisconvergent strabismuscistothorus platensiscistothorus palustrischrysophrys australischilomeniscus cinctuscelastrus orbiculatuscardiovascular systemblastodermic vessicleastreus hygrometricusariocarpus fissuratusantonius stradivariusambrosia psilostachyaairborne transmission
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