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

 (In Any Order)
There are 40 20 letter words, 285 20 letter phrases and 0 20 letter abbr's with O,R,I,S,S,A in.

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

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All 20 Letter Words

Words (40)
overenthusiasticallyunsatisfactorinessesunderrepresentationsultrasegregationiststransformationalistssuperspecializationsspectroheliographiesrepresentationalistsrepresentationalismsreindustrializationsradioimmunoassayablepsychopharmacologistpsychopharmacologiespseudocholinesteraseprofessionalizationsphotoreconnaissancesphotodisintegrationsphosphofructokinasespaleoanthropologistsneuropharmacologistsmischaracterizationsmicropaleontologistsmicrocrystallinitieslymphogranulomatosisirreproachablenessesirreconcilablenessesinterstratificationsinconsiderablenessesincommensurabilitieshyperparathyroidismshomotransplantationsdimethylnitrosaminesdeindustrializationscountersurveillancescontradistinguishingantifluoridationistsanticonservationistsacetylcholinesterasenephroangiosclerosisheterobasidiomycetes
Phrases (285)
varicella zoster virusuniversity of nebraskatumour necrosis factortransportation systemthomas lanier williamssubclass lepidosauriasphenisciform seabirdsouthern united statessocial justice warriorsir james george frazersir charles wheatstonesense of right and wrongscomberomorus regalisscipio africanus majorsaponaria officinalissamuel rawson gardinersaint peter the apostlerhizopogon idahoensisprofessional relationpersonal relationshippast progressive tensepass with flying colorsoryctolagus cuniculusnutritionist's calorieneisseria gonorrhoeaemilton snavely hersheyluscinia megarhynchosindirect transmissionhans christian oerstedgross national productgleditsia triacanthosfrankenstein's monsterfamily passifloraceaefamily gasterosteidaeeleocharis acicularisdianthus caryophylluscross-florida waterwaycortinarius violaceuscharadrius morinelluscentropus phasianinuscarson smith mccullerscardinal compass pointcaprimulgus vociferuscaprimulgus europaeusbyelorussian languagebusiness relationshipbusiness organizationbusiness organisationbotaurus lentiginosusbaron snow of leicesteranemopsis californicaamerican harvest mouseambystomid salamanderambloplites rupestrisalexander iii of russiaalessandro cagliostroaimee semple mcphersonzalophus californicusxenorhyncus asiaticusxanthosoma atrovirensworkmen's compensationwoolsorter's pneumoniawilliam felton russellverbesina encelioidesvena supratrochlearisvena labialis superiorustilaginoidea virensuniversal propositionuniversal gas constantunited states congressunited states air forcetwelve tribes of israeltrichosurus vulpeculatrichomanes speciosumtransversus abdoministranscortical aphasiatrachinotus carolinustoxic industrial wastetonsilla pharyngealistobias george smollettthysanopterous insecttheory of dissociationtheodore francis powystelevision newscastertaurotragus derbianustamiasciurus douglasisysteme internationalsystema respiratoriumsynchronous operationsymplocarpus foetidussylvilagus floridanusswainsona grandiflorasurvival of the fittestsuperfamily muscoideasudanese monetary unitsuborder sciuromorphasuborder plesiosauriasuborder heterostracisuborder cephalaspidasubclass telosporidiasubclass branchiopodasteatornis caripensisstatistical procedurestandard transmissionstaffordshire terrierspiranthes porrifoliaspecial-interest groupspartina cynosuroidessouth american sea lionsomatic sensory systemsolidago sempervirenssoleirolia soleiroliisoftware optimisationsodium orthophosphatesodium lauryl sulphatesocial stratificationsocial security numbersocial anthropologistsmiledon californicussisymbrium officinalesir james young simpsonsinusoidal projectionsiderochrestic anemiasideroblastic anaemiashort-billed marsh wrensexual discriminationsenior master sergeantseborrheic dermatitisscaphiopus bombifronsscabiosa atropurpureasaxifraga stoloniferasaxifraga sarmentosamsanvitalia procumbenssaint francis of assisirubus idaeus strigosusrespiratory alkalosisreconnaissance by firequercus ellipsoidalispyramidal motor systempurse-string operationpublius vergilius maropterocarpus marsupiumpsychopsis kramerianapseudococcus fragilisprofit and loss accountprofessional footballprofessional baseballprimary solid solutionpotassium-argon datingpotassium bicarbonateposttraumatic amnesiaposterior labial veinspostal rate commissionporonotus triacanthuspolitical correctnesspodocarpus latifoliusphaseolus multiflorusphalaropus fulicariusperonospora hyoscyamiperitonsillar abscessperisoreus canadensispenstemon linarioidespassiflora mollissimapassiflora maliformispassiflora laurifoliaparietomastoid suturepaper electrophoresispachyrhizus tuberosusorthophosphorous acidorder scrophularialesorder blastocladialesorder aristolochialesoperation desert stormnotropis atherinoidesnorthern united statesnorth island edelweissnonviolent resistancenonrestrictive clausenerve block anesthesianeoceratodus forsterinecrobiosis lipoidicanarthecium ossifragummyrmecobius fasciatusmumification necrosismountain lady's slippermorchella angusticepsmigratory grasshoppermicropterus salmoidesmeriones unguiculatusmaximilian's sunflowermasticophis lateralismarcus terentius varromacrotus californicusmacronectes giganteuslonicera sempervirenslipoid granulomatosislasthenia chrysostomakinetic theory of gasesketosis-prone diabetesjournalist's privilegejoseph warren stilwelljohn augustus roeblingjames douglas morrisonindustrial psychologyhyacinthus orientalishorizontal stabiliserhibiscus rosa-sinensisherschelian telescopehelleborus orientalishelianthus petiolarishare's-foot bristle fernhalicoeres bivittatusgriselinia littoralisgnaeus julius agricolaglaucous bristlegrassgeorge william russellgenus pithecanthropusgenus gymnosporangiumgenus aspidophoroidesgenus argentinosaurusgaussian distributiongalvanic skin responsegaleorhinus zyopterusflindersia schottianafamily scombresocidaeeuphorbia cyparissiasestraterrestrial bodyerythronium dens-caniseragrostic abyssinicaenglish cocker spanielelectronic transistorechinocactus grusoniidryopteris marginalisdoctoral dissertationdissociative disorderdisassortative matingdionysius i of syracusedavid alfaro siqueirosdante gabriel rossettidalbergia stevensoniicystopteris bulbiferacyperus alternifoliuscyamopsis psoraloidescrotalaria sagitalliscortinarius mutabiliscoronary heart diseasecoral-root bittercressconvergent strabismuscompensatory spendingcolorimetric analysiscistothorus platensiscistothorus palustrischrysophrys australischinese black mushroomcharles dillon stengelcervical disc syndromecentaurium scilloidescelastrus orbiculatuscarya myristiciformiscardiovascular systemcardiac resuscitationcarcharhinus obscuruscalculus of variationsbrugmansia suaveolensbrassaia actinophyllablastodermic vessiclebegonia semperflorensbackground processingaustronesian languageaustralian coral snakeastreus hygrometricusasplenium trichomanesasparagus officinalesasarum shuttleworthiiarteria intercostalisartemisia gnaphalodesartaxerxes ii of persiaariocarpus fissuratusardisia escallonoidesarctostaphylos alpinaantonius stradivariusantitrust legislationambrosia psilostachyaaldrovanda vesiculosaairborne transmission
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