21-Letter Words Containing: O,R,I,S
(In Any Order)
There are 33 21 letter words,
603 21 letter phrases and
0 21 letter abbr's with
O,R,I,S in.
Best Scoring 21 Letter Words With: O,R,I,S
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All 21 Letter Words
Words (33)
undemonstrativenessestetrahydrocannabinolsstraightforwardnessesstereomicroscopicallypsychotherapeuticallypsychopharmacologistspseudocholinesterasesphotophosphorylationsotorhinolaryngologiesneuroendocrinologistsmicrominiaturizationsinternationalizationsinterconvertibilitiesincomprehensibilitiesimmunoelectrophoresesimmunocytochemistrieshypercholesterolemiasextraterritorialitieselectroretinographieselectrocardiographiescounterdemonstrationscompartmentalizationsantiauthoritarianismsanthropomorphizationsadrenocorticotrophinsadrenocorticosteroidsacetylcholinesterasespsychopharmacologicalpseudohermaphroditismotorhinolaryngologistmucopolysaccharidosisimmunoelectrophoresisconstructive-metabolicPhrases (603)
zonotrichia albicollisyellow-eyed grass familywilliam ewart gladstonewilliam carlos williamswhite-coat hypertensionuse of goods and servicestumultuous disturbancetransmission mechanismtibet autonomous regiontelephone conversationsurveillance of diseasesurgical contraceptionstream of consciousnessstrawberry haemangiomasri lankan monetary unitspontaneous generationspectroscopic analysisspeaker identificationsoren aabye kierkegaardsolidago missouriensisslovenian monetary unitsir john everett millaissierra nevada mountainssierra madre occidentalsense of responsibilitysecond sino-japanese warsamuel taylor coleridgesacramental manductionrosmarinus officinalisreconstructive surgerypterocarpus santalinusprotector of boundariesprosopium williamsoniiprosopium cylindraceumpost-mortem examinationphysiological propertyphotoelectric emissionphilosophical doctrinephascolarctos cinereuspeter alexander ustinovparty to the transactionparticular propositionpakistani monetary unitovo-lacto vegetarianismorder podicipediformesorder lyginopteridalesorder caprimulgiformesnikolai rimsky-korsakovmusculus intercostalismalaysian monetary unitliquefied petroleum gasligustrum obtusifoliumkonrad zacharias lorenzklebs-loeffler bacillusjupiter optimus maximusjack roosevelt robinsonisle royal national parkintravenous anestheticintestinal obstructioninterrogative sentenceindustrial watercourseimmunosuppressive drugigor ivanovich sikorskyherpes varicella zosterhenry hobson richardsonhelianthemum scopariumhans holbein the youngergravitational collapseginglymostoma cirratumgasterosteus pungitiusfranz joseph i of austriafirst-order correlationfield-effect transistorfamily peronosporaceaefamily grossulariaceaeexecution of instrumenteucalyptus fraxinoidesempire state of the southellipsoid of revolutionelectrolytic condenserelectrical distributordisturbance of the peacedissolution of marriagedisseminated sclerosisdiametrical oppositiondestructive metabolismdesoxyribonucleic aciddecomposition reactioncucurbita argyrospermacongressional districtclinton administrationchromosomal aberrationchionanthus virginicuscharles frederick worthcharles francois gounodcercopithecus aethiopscentral processing unitcarbon dioxide acidosiscapital of western samoacapital of west virginiacapital of turkmenistancapital of new hampshirecampanula persicifoliabhutanese monetary unitbattle of soissons-reimsbattle of lake trasimenebattle of granicus riverbattle of bosworth fieldbank-depositor relationballistic galvanometerautomatic transmissionarticulatio synovialisarticulatio spheroideaarteria infraorbitalisarmed forces censorshiparithmetic progressionarctostaphylos uva-ursiantidorcas marsupialisanthriscus cereifoliumaleksandr solzhenitsynagkistrodon contortrixadenosine triphosphateacrocentric chromosomeaccord and satisfactionaccommodation endorseracanthocybium solandriacademic administratorzonotrichia leucophryszalophus californianusyellow-breasted buntingxestobium rufovillosumworld tamil associationwinter crookneck squashwilliam randolph hearstwilliam crawford gorgaswestern lowland gorillawerdnig-hoffman diseaseweapons-grade plutoniumwallis warfield windsorwallis warfield simpsonvoyageurs national parkvon willebrand's diseasevladimir kosma zworykinvideocassette recorderveterans of foreign warsveronica serpyllifoliaverbesina alternifoliavena retromandibularisursus arctos horribilisurea-formaldehyde resinupper respiratory tractuniversity of wisconsinuniversity of cambridgeunited states of americaunited methodist churchtrifolium stoloniferumtrichostema dichotomumtrichomanes boschianumtricholoma pessundatumtricholoma flavovirenstransportation companytransferred possessiontransactional immunitytragopogon porrifoliustoxicodendron radicanstoo big for one's breechesthree-dimensional radarthoracoepigastric veinthoracic actinomycosisthird battle of the aisnethiamine pyrophosphatethermopsis macrophyllathelypteris dryopteristerrorist organizationtennessee walking horsetelocentric chromosometelevision transmittersynchronic linguisticsswaziland monetary unitsuperior pulmonary veinsuperfamily sphecoideasuperfamily hominoideasuperfamily aphidoideasuborder scorpaenoideasuborder ornithomimidasuborder euronithopodasubdivision pteropsidasubclass cnidosporidiastropharia hornemanniistreptosolen jamesoniistrekelia formosissimastephanotis floribundastatistical regressionstandard and poor's indexsquamous cell carcinomaspielmeyer-vogt diseasespherical trigonometrysphacelotheca reilianasouthwestern white pinesouth-central dravidiansouth american staghornsouth american bullfrogsolid propellant rocketsolanum nigrum guineesesoftware documentationsocial democratic partyslovakian monetary unitskeleton in the cupboardsir rabindranath tagoresir john cowdery kendrewsir howard walter floreysir henry morton stanleysir george paget thomsonsingle-rotor helicoptersimultaneous operationsiderochrestic anaemiasickleweed golden astershrink-wrapped softwaresewing-machine operatorserengeti national parkselenarctos thibetanusselaginella eremophilasecondary hypertensionscorpaena grandicornisscolytus multistriatusscolopendrium nigripesscleropages leichardtischizophrenic disorderschistosome dermatitissaxifraga occidentalissamuel pierpont langleysalpichroa organifoliasalmonella typhimuriumsalmonella enteritidissaint christopher-nevissaint andrew the apostlerussian orthodox churchrudolf ludwig mossbauerrobert maynard hutchinsrobert andrews millikanrichmondena cardinalisrichard adolf zsigmondyrhynchoelaps australisrhyacotriton olympicusrheumatoid spondylitisreverse polish notationresistance thermometerrepublic of south africarepublic of sierra leonereproductive structurerelative molecular massregression coefficientreginald carey harrisonrectilinear regressionreconnaissance vehiclereconnaissance missionreconnaissance in forcereactive schizophreniarapid eye movement sleepradioactive iodine testquantum chromodynamicspyotr ilych tchaikovskypulmonary tuberculosispublic relations personpterocarpus angolensispsychosomatic disorderpsychological disorderpsychoanalytic processpseudowintera coloratapseudocolus fusiformisprumnopitys ferrugineaprotoplasmic astrocyteprotestant reformationpropositional calculusprofessional wrestlingprincipal investigatorprincess grace of monacoprince otto von bismarckpresident john f. kennedypreliminary prospectuspower-assisted steeringpotassium permanganatepotassium ferrocyanidepotamogeton gramineouspotamogeton americanusposttraumatic epilepsypostmortem examinationposterior cardinal veinpomoxis nigromaculatuspolyneuritic psychosispodicipitiform seabirdplatycladus orientalisphytophthora infestansphysostegia virginianaphysiological reactionphoradendron serotinumphonetic transcriptionpholiota squarrosoidespeter ilich tchaikovskypersonality assessmentperomyscus maniculatuspeople's republican armypeople's liberation armypennisetum cenchroidespelargonium graveolenspath of least resistanceparanoid schizophreniaornithischian dinosauroriental black mushroomoreopteris limbospermaordinary life insuranceorder struthioniformesorder pseudoscorpionesorder podicipitiformesorder dinornithiformesoral poliovirus vaccineoperating instructionsonoclea struthiopterisonobrychis viciaefoliaonion yellow-dwarf virusone hundred seventy-fiveoliver wendell holmes jr.old world leishmaniasisodocoileus virginianusoctal numeration systemoccipitomastoid suturenuclear fusion reactionnormal tension glaucomanonspecific urethritisnondiscretionary trustnew world leishmaniasisneuromuscular junctionnerve block anaesthesianeolentinus ponderosusnegaprion brevirostrismusculus biceps femorismoving-coil loudspeakermithridates vi of pontusmirabilis oblongifoliamicrowave spectroscopymicromeria chamissonismicrofinishing machinemeuse-argonne operationmeuse-argonne offensivemetacentric chromosomemesa verde national parkmelanotis caerulescensmaximilien robespierrematurity-onset diabetesmantled ground squirrelmandrillus leucophaeusmalignant hypertensionmalaysia militant groupmalabsorption syndromemagnetic storage mediummacowanites americanuslysimachia quadrifolialower respiratory tractlow-density lipoproteinloiseleuria procumbenslocalisation principleliver-spotted dalmatianlittle ebony spleenwortlithospermum canescenslisteria monocytogeneslinguistic performanceline of least resistancelime disease spirochetelesser butterfly orchidlaw of partial pressureslanthanotus borneensislagerstroemia speciosalagarostrobus colensoilacto-ovo vegetarianismkurdistan workers' partykurdistan workers partyknight of the square flagking arthur's round tablekeratosis folliculariskarl gustav jacob jacobijuniperus horizontalisjoseph alois schumpeterjohn roderigo dos passosjohan august strindbergivor armstrong richardsislamic republic of iraniron manganese tungsteniraqi national congressinterstitial pneumoniainsulin shock treatmentinstrument of executioninformation processingindustrial loan companyimmunological disorderimmediate apprehensionimaginative comparisonhypericum hypericoideshypericum gentianoideshygrophorus kauffmaniihydraulic transmissionhydnocarpus laurifoliahybrid tuberous begoniahumoral immune responsehorseradish peroxidasehorace wilkinson bridgehistorical linguisticshibiscus heterophyllusherbert alexander simonhemorrhagic septicemiahelianthus laetiflorusheight of capillary risegyromitra sphaerosporagymnopilus ventricosusgustav robert kirchhoffguillain-barre syndromegreta louisa gustafssongreatest common divisorgreater rhomboid musclegravitational constantgospel according to markgospel according to lukegospel according to johnglutathione peroxidasegiraffa camelopardalisgiovanni angelo braschigeranium viscosissimumgenus tripleurospermumgenus plicatoperipatusgenus macrothelypterisgenus ephippiorhynchusgenus australopithecusgentianopsis thermalisgastrointestinal tractgaius cornelius tacitusfrequency distributionfrank morrison spillaneforestiera neomexicanaforest tent caterpillarfluorescein isocyanateflorists' chrysanthemumflorist's chrysanthemumfischer's slime mushroomfirst viscount nuffieldfirst epistle to timothyfirst duke of wellingtonfinancial organisationfamily theophrastaceaefamily steatornithidaefamily spirochaetaceaefamily sphaerobolaceaefamily scomberesocidaefamily sclerotiniaceaefamily sarcoscyphaceaefamily mastotermitidaefamily ichthyosauridaefamily gasterophilidaefamily dromaeosauridaefamily chrysochloridaeextrauterine gestationexternal oblique muscleexponential expressionevening-primrose familyevangelista torricellieuropean woolly thistleeuropean ladies' tresseseuproctis chrysorrhoeaeuphorbia caput-medusaeeuphorbia amygdaloideseupatorium coelestinumessential hypertensionernst werner von siemenseretmochelys imbricataelectrophorus electricelectron spin resonanceelectrochemical seriesectopistes migratoriuseconomic strangulationeastern lowland gorilladwight david eisenhowerdumetella carolinensisdryopteris thelypterisdryopteris phegopterisdouglas elton fairbanksdivision spermatophytadistribution agreementdisinfestation officerdishonorable dischargedirect injection dieseldioscorea elephantipesdigital plethysmographdifferential thresholddifferential diagnosisdiervilla sessilifoliadiachronic linguisticsdermacentor variabilisdepartment of sociologydepartment of economicsdepartment of chemistrydeparia acrostichoidesdecompression sicknessdaniel garrison brintoncurvilinear regressioncucurbita foetidissimacrotalaria spectabiliscost structure analysiscorydalis sempervirenscortinarius corrugatuscortinarius armillatuscorticium salmonicolorcorrelational analysiscoronary insufficiencycoronary-artery diseasecoregonus clupeaformiscoprinus atramentariusconversational partnerconstant of gravitationconscientious objectorcongratulations letterconfigurational isomerconductive hearing losscomparative psychologycompact disc recordablecommon evening primrosecommiphora meccanensiscolor vision deficiencycolor television systemcollinsia heterophyllacollectivist anarchismcolaptes caper collariscognitive neurosciencecochlearia officinalisclass chytridiomycetescitharichthys cornutuscircuit court of appealschronological sequencechronic wasting diseasechronic pyelonephritischorionic villus biopsycharlotte de rothschildcharacterisic functionchamaecyparis thyoidescercopithecus talapoincentrosema virginianumcentaurea solstitialiscasuarina equisetfoliacarya myristicaeformiscarl xvi gustaf of swedencarl gustav jacob jacobicardiovascular diseasecardiopulmonary arrestcarcinomatous myopathycarcharodon carchariascarcharinus longimanuscapsicum annuum grossumcapsella bursa-pastoriscallitris glaucophyllacalifornia yellow bellsbronx-whitestone bridgebritish house of commonsbringing close togetherbranchiopod crustaceanbrachychiton rupestrisbrachychiton populneusbrachychiton australisbottom fermenting yeastbernoulli distributionbasic cognitive processbabe didrikson zahariasaustrocedrus chilensisaustro-asiatic languageaustralian honeysuckleaugust ferdinand mobiusauditory hyperesthesiaatmospheric phenomenonasynchronous operationastronomical telescopeasplenium rhizophyllumaspidiotus perniciosusasparagus asparagoidesasian longhorned beetleascii control characterartificial respirationarthur seymour sullivanarenaria serpyllifoliaarea of cardiac dullnessapplications programmeapparatus urogenitalisanton gregor rubinsteinanisotremus virginicusangiogenesis inhibitoramorphophallus titanumamorphophallus rivieriamerican stock exchangeamerican smooth dogfishalstroemeria pelegrinaallium sphaerocephalumalfred joseph hitchcockalbert von szent-gyorgyiagkistrodon piscivorusaccount representativeaccessory cephalic veinabstract expressionismabsorption coefficient
