20-Letter Words Containing: I,R,I,S
(In Any Order)
There are 81 20 letter words,
618 20 letter phrases and
0 20 letter abbr's with
I,R,I,S in.
Best Scoring 20 Letter Words With: I,R,I,S
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All 20 Letter Words
Words (81)
uncharacteristicallyoverenthusiasticallyunsatisfactorinessesuncompromisingnessesultrasegregationistsultrarevolutionariesultramicroscopicallyultracentrifugationstransformationalistssuperspecializationsspectroheliographiesrepresentationalistsrepresentationalismsreinstitutionalizingreindustrializationsreconceptualizationsradiopharmaceuticalsradioimmunoassayableprofessionalizationsphotointerpretationsphotodisintegrationsphiloprogenitivenessphenylthiocarbamidesoverintellectualizesoverdifferentiationsneuropsychiatricallyneurophysiologicallyneuroendocrinologistneuroendocrinologiesmischaracterizationsmicropaleontologistsmicroelectrophoresismicrocrystallinitieskeratoconjunctivitesirreconcilablenessesinterstratificationsinterchangeabilitiesindiscriminatenessesindestructiblenessesinconsiderablenessesincomprehensiblenessincommensurabilitiesinappreciativenessesimmunoprecipitationshypersensitivenesseshyperparathyroidismshypercoagulabilitieshydrochlorothiazidesglomerulonephritidesencephalomyocarditiselectrophysiologistselectrophysiologicaldimethylnitrosaminesdepartmentalizationsdeoxyribonucleotidesdeindustrializationsdehydrochlorinationscytodifferentiationscountermobilizationscounterintelligencescounterconditioningscontradistinguishingantifluoridationistsanticonservationistsantiauthoritarianismanthropocentricitiesadrenocorticotropinsadrenocorticosteroidsemiautobiographicalpseudohermaphroditicnephroangiosclerosiskeratoconjunctivitisinternationalisationincontrovertiblenessimmunohistochemistryhyperadrenocorticismheterobasidiomycetesdestructive-metaboliccounterrevolutionistcounter-revolutionistcompartmentalisationPhrases (618)
woodrow wilson guthriewilliam lloyd garrisonwilliam jennings bryanwilliam henry harrisonvirgil garnett thomsonvaricella zoster virusuniversity of nebraskatwo-dimensional figuretunisian monetary unitthomas lanier williamssuperfamily coccoideasuborder strepsirhinisuborder myxiniformessubclass lepidosauriasphenisciform seabirdsolidago multiradiatasoftware optimizationsocial justice warriorsir karl raimund poppersir henry rider haggardsingle-reed instrumentsimple harmonic motionsignature recognitionselective informationsedative-hypnotic drugsecurity intelligencesecond coming of christscipio africanus majorscientific instrumentsaturday night specialsaponaria officinalissagittarius the archersaccharum officinarumrobert william servicerhizopogon idahoensisresurrection of christresident commissionerreconstruction periodralph vaughan williamsracial discriminationprumnopitys taxifoliaprofessional relationprinciple of parsimonyprescription medicineplasminogen activatorpierre simon de laplacephotographic emulsionpersonality inventorypersonal relationshippercussive instrumentpass with flying colorsorder sphenisciformesorder mycelia steriliaorder accipitriformesobstruction of justicenutritionist's calorieneisseria gonorrhoeaenasturtium officinalemilitary installationmarket capitalisationmarcus ulpius traianusluscinia megarhynchosludwig mies van der rohelubricating substancelophophora williamsiiligamentum teres uterilateral epicondylitisislamic calendar monthinsurance underwriterinstruction executionindustrial managementindustrial enterpriseindirect transmissionhomolosine projectionhans christian oerstedgleditsia triacanthosgeorges henri lemaitregenus phoenicophoriumfriendly relationshipfouquieria columnarisferdinand and isabellafederation of malaysiafamily strelitziaceaefamily passifloraceaefamily gasterosteidaeestonian monetary uniteruca vesicaria sativaernst heinrich haeckelemotional disturbanceeleocharis acicularisedward williams morleyedward estlin cummingsdivision tracheophytadisplacement reactiondigitaria sanguinalisdidelphis marsupialisdevice characteristicdeliberative assemblydegenerative disordercortinarius violaceuscontradiction in termsconsecutive operationcomparative anatomistcommunity of interestscommercial instrumentcommercial enterpriseclass lamellibranchiachristopher isherwoodchlamydia trachomatischaradrius morinelluscentropus phasianinuscase-to-infection ratiocarter administrationcardinal compass pointcaprimulgus vociferuscapital of switzerlandcapital of south africacapital of sierra leonecapital of saudi arabiacapital of rhode islandcantharellus cibariuscampanula pyramidalisbusiness relationshipbusiness organizationbusiness organisationbritish pound sterlingbotaurus lentiginosusblue ribbon commissionbeta vulgaris vulgarisaustrian monetary unitaugustin eugene scribeatmospheric conditionasplenium ruta-murariaaspergillus fumigatusartemisia dracunculusartemisia californicaarcheological remainsanemopsis californicaamsinckia grandifloraambrose gwinett bierceambloplites rupestrisalice malsenior walkeralexander iii of russiaafrican-american musicacquisition agreementaboriginal australianzellig sabbatai harriszantedeschia rehmaniizalophus californicusyosemite national parkxenorhyncus asiaticuswilliam richard morriswilliam nunn lipscom jr.william felton russellwhite russian languagewhite pine blister rustwelwitschia mirabiliswelsh springer spanielvoice in the wildernessvirginia spring beautyvincetoxicum hirsutumvigdis finnbogadottirvice-presidential termverbesina encelioidesvena labialis superiorvena labialis inferiorvena intervertebralisvena gastrica sinistravena facialis anteriorvaleriana officinalisustilaginoidea virensunstratified languageuniversity of michiganuniversal propositionunited states civil warunited states air forceunited church of christungradable oppositiontwelve tribes of israeltriostium perfoliatumtrichomanes speciosumtrichomanes reniformetransversus abdoministranscortical aphasiatrachipterus arcticustrachinotus carolinustoxic industrial wastetonsilla pharyngealistolypeutes tricinctustheory of dissociationthelypteris palustristelevision-camera tubetelevision newscastertamiasciurus douglasitadarida brasiliensissysteme internationalsystema respiratoriumsympathetic vibrationsylvilagus floridanusswietinia macrophyllaswan river everlastingswainsona grandiflorasurvival of the fittestsuperior labial arterysuperior cerebral veinsuperfamily tineoideasuperfamily muscoideasuborder plesiosauriasubliminal perceptionsubfamily hydromyinaesubfamily gerbillinaesubfamily emberizinaesubfamily emberizidaesubfamily carpinaceaesubfamily carduelinaesubclass telosporidiasubclass dibranchiatastriated muscle tissuesteatornis caripensisstatistical procedurestandard transmissionstaffordshire terriersplit-half correlationspiranthes porrifoliaspecial-interest groupspecial drawing rightsspartina cynosuroidessouth american sea lionsource of illuminationsomalian monetary unitsolidago sempervirenssoleirolia soleiroliisoftware optimisationsocial stratificationsocial security numbersocial anthropologistsnake's head fritillarysmiledon californicusslip-tongue log skiddersisymbrium officinalesir peter brian medawarsir oliver joseph lodgesir james young simpsonsir hiram stevens maximsir geoffrey wilkinsonsinusoidal projectionsilverleaf nightshadesiderochrestic anemiasideroblastic anaemiashipbuilding industrysexual discriminationsexual characteristicseriphidium maritimumsemiautomatic firearmselaginella rupestrissecretarial assistantseborrheic dermatitisscrutin de liste systemscouting organizationscleroderma flavidiumscintillation counterschizopetalon walkerischeduled territoriesscaphiopus bombifronssaxifraga stoloniferasatellite transmittersanvitalia procumbenssansevieria zeylanicasanitation departmentsalvinia rotundifoliasalpichroa rhomboideasaint francis of assisirumohra adiantiformisrubus idaeus strigosusrichard erskine leakeyrevolutions per minuterespiratory infectionrespiratory alkalosisrequired reserve ratiorepublic of uzbekistanrepublic of tajikistanreligious orientationreconnaissance by firereagan administrationraphicerus campestrisquercus muehlenbergiiquercus ellipsoidalispyridoxine 5'-phosphatepurse-string operationpulicaria dysentericapublius vergilius maropublius terentius aferpsychopsis kramerianapseudococcus fragilisprunus alleghaniensisproportional samplingprivate security forceprimary solid solutionprimary care physicianprickly-seeded spinachprice-to-earnings ratiopotassium-argon datingpotassium bicarbonateposttraumatic amnesiaposterior labial veinspostal rate commissionpositive-degree adverbpolystichum setiferumpolitical correctnesspodocarpus latifoliusplexus periarterialisplectrophenax nivalispipistrellus hesperuspilosella officinarumpiezoelectric crystalphilip warren andersonphilip dormer stanhopephase iv clinical trialphase ii clinical trialphalaropus fulicariuspetaurista petauristapersonal line of creditperitonsillar abscessperisoreus canadensispercussion instrumentpenstemon linarioidespennisetum americanumpassive matrix displaypassiflora mollissimapassiflora maliformispassiflora laurifoliaparietomastoid suturepaliurus spina-christiortilis vetula macalliorthopedic foot insoleorthogonal oppositionorganic brain syndromeorder torpediniformesorder of saint benedictorder cycadofilicalesorder charadriiformesorder aristolochialesonobrychis viciifoliaoceanic whitetip sharkobject of a prepositionnurse-patient relationnotropis atherinoidesnorthwest territoriesnorth island edelweissnonviolent resistancenonrestrictive clauseniels henrik david bohrneurological disordernephrolepis pectinatanegotiable instrumentnecrotizing enteritisnecrobiosis lipoidicanarthecium ossifragumnaive bayes classifiermyrmecobius fasciatusmusical time signaturemusculus sphincter animumification necrosismultivariate analysismucuna pruriens utilismountain standard timemountain lady's slippermortise-and-tenon jointmirabilis californicamilitary headquartersmildred ella didriksonmicrosorium punctatummicropterus salmoidesmerluccius bilinearismeriones unguiculatusmenyanthes trifoliatamaximilian's sunflowermasticophis lateralismaria meneghini callasmammuthus primigeniusmalpractice insurancemaidenhair spleenwortmagnesium bicarbonatemadagascar periwinklemacrotus californicusmacroclemys temminckilysimachia terrestrislysimachia nummularialysichiton americanumlyrurus mlokosiewiczilouis victor de broglielonicera sempervirenslofortyx californicusliquid crystal displaylipoid granulomatosisligustrum ovalifoliumlesser prairie chickenkrebs citric acid cyclekosteletzya virginicakingdom of saudi arabiakinetic theory of gasesketosis-prone diabeteskaspar friedrich wolffjulius winfield ervingjournalist's privilegejoseph rudyard kiplingisovolumetric processisidor feinstein stoneintravenous injectionintransitive verb formintracranial aneurysminternational affairsintermaxillary sutureinferior rectus muscleindustrial revolutionindustrial psychologyhyperkinetic syndromehypentelium nigricanshydrofluosilicic acidhydnocarpus wightianahyacinthus orientalishusband-wife privilegehundred-and-sixty-fifthhorizontal stabilizerhorizontal stabiliserhirschsprung's diseasehippodamia convergenshibiscus rosa-sinensishexalectris warnockiihenry alfred kissingerhelleborus orientalishelianthus petiolarisharpullia cupanioidesharkat-ul-jihad-e-islamihalicoeres bivittatusgutierrezia sarothraeguided missile frigateguided missile cruisergriselinia littoralisgregory goodwin pincusgreat australian bightgnaeus julius agricolagiovanni schiaparelligeranium richardsoniigeorge william russellgeometric progressiongenus aspidophoroidesgaussian distributiongalvanic skin responsefritillaria meleagrisfriedrich anton mesmerfrederick moore vinsonfrancis albert sinatraform genus rhizoctiniaflindersia schottianafixed investment trustfirst council of nicaeafield press censorshipfibrous-rooted begoniafermi-dirac statisticsfamily titanosauridaefamily synchytriaceaefamily strophariaceaefamily stercorariidaefamily scyliorhinidaefamily scombresocidaefamily sarraceniaceaefamily rickettsiaceaefamily pertusariaceaefamily peripatopsidaefamily ostraciontidaefamily menispermaceaefamily megalosauridaefamily lophosoriaceaefamily hipposideridaefamily eschrichtiidaefamily edaphosauridaefamily aspergillaceaeeuphorbia helioscopiaeuphorbia cyparissiaseucalyptus citriodoraeucalypt tereticorniseschrichtius robustuseschrichtius gibbosuserythronium dens-caniserythrina vespertilioerythrina crista-gallierigonum fasciculatumeragrostic abyssinicaepipactis helleborineenvironmental scienceenteric-coated aspirinenglish cocker spanielempiricist philosophyelisabeth vigee-lebrunelectrostatic printerelectrostatic machineelectronic transistorelectronic instrumentelectrical resistanceechinochloa crusgalliechinocactus grusoniiecclesiastical attiredryopteris oreopterisdryopteris marginalisdoubly transitive verbdomestic silkworm mothdolichonyx oryzivorusdoctoral dissertationdivision pteridophytadissociative disorderdishwashing detergentdisassortative matingdirect supporting firedionysius i of syracusedifferential calculusdicrostonyx hudsoniusdichloroethyl sulfidedescriptive adjectivederivative instrumentdemetrius poliorcetesdefensive attribitiondavid barnard steinmandavid alfaro siqueirosdante gabriel rossettidalbergia stevensoniidacrydium cupressinumcystopteris bulbiferacypripedium calceoluscyperus alternifoliuscyamopsis psoraloidescrotalaria sagitalliscriminal conversationcoumarone-indene resincorydalis claviculatacortinarius mutabiliscorpuscular radiationconstructive evictionconstruction industryconstantine i of greececonservation of paritycompact disc write-oncecommon carline thistlecolour television tubecolorimetric analysiscodariocalyx motoriusclostridium botulinumclose-quarter fightingclopidogrel bisulfateclintonia andrewsianaclandestine operationcitrophilous mealybugcistothorus platensiscistothorus palustrischrysophyllum cainitochloroxylon swieteniachester william nimitzcervical disc syndromecertificate of depositcentaurium scilloidescelastric articulatuscaspar friedrich wolffcarya myristiciformiscarolina spring beautycardinalis cardinaliscardiac resuscitationcardiac insufficiencycarcharhinus limbatuscanalis cervicis utericampanula aparinoidescalostoma cinnabarinacalochortus nuttalliicalifornia false morelcalculus of variationscalcium-silicate brickbrush-tailed porcupinebritish virgin islandsbrassaia actinophyllabosnia and herzegovinablue-eyed african daisyblastodermic vessiclebiscayne national parkbinomial distributionbilaterally symmetricbelle miriam silvermanbaccharis halimifoliaaversive conditioningatlantic standard timeateria gastrica dextraasplenium trichomanesasparagus officinalesasclepias curassavicaasarum shuttleworthiiarteria intercostalisartemisia stellerianaartemisia ludovicianaartemisia gnaphalodesartaxerxes ii of persiaariocarpus fissuratusardisia escallonoidesarctic ground squirrelarceuthobium pusillumaposematic colorationapodictic propositionantonius stradivariusantitrust legislationantihypertensive druganthriscus sylvestrisandropogon virginicusamerican water spanielamerican sign languageamerican quaking aspenambrosia psilostachyaairborne transmissionafrican bowstring hempaffine transformationaden-abyan islamic armyacacia auriculiformis