21-Letter Words Containing: R,O,I
(In Any Order)
There are 44 21 letter words,
861 21 letter phrases and
0 21 letter abbr's with
R,O,I in.
Best Scoring 21 Letter Words With: R,O,I
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All 21 Letter Words
Words (44)
undemonstrativenessestetrahydrocannabinolsstraightforwardnessesstereomicroscopicallypsychotherapeuticallypsychopharmacologistspseudocholinesterasesphotophosphorylationsphotolithographicallyoverintellectualizingovercommercializationotorhinolaryngologiesneuroendocrinologistsneuroendocrinologicalmicrominiaturizationsinternationalizationsinterconvertibilitiesincomprehensibilitiesimmunoelectrophoreticimmunoelectrophoresesimmunocytochemistrieshypercholesterolemiasextraterritorialitieselectroretinographieselectromyographicallyelectrocardiographiesdendrochronologicallycounterinterpretationcounterdemonstrationscompartmentalizationsantiferromagneticallyantiauthoritarianismsanthropomorphizationsadrenocorticotrophinsadrenocorticosteroidsacetylcholinesterasespsychopharmacologicalpseudohermaphroditismpolyvinyl-formaldehydeotorhinolaryngologistmucopolysaccharidosisimmunoelectrophoresisconstructive-metabolicarenaria-melanocephalaPhrases (861)
zonotrichia albicollisyellow-eyed grass familywilliam ewart gladstonewilliam carlos williamswhite-coat hypertensionvladimir ilyich ulyanovuse of goods and servicesuruguayan monetary uniturinary tract infectiontumultuous disturbancetransmission mechanismtibet autonomous regiontheatrical performancetelephone conversationtanzanian monetary unitsurveillance 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 officinalisringgold wilmer lardnerright atrium of the heartrichard the lion-heartedrepublic of cote d'ivoirereconstructive surgerypterocarpus santalinusprotector of boundariesprosopium williamsoniiprosopium cylindraceumprocaine hydrochloridepost-mortem examinationpolitical contributionphysiological propertyphotoelectric emissionphilosophical doctrinephiladelphia pepper potphascolarctos cinereuspeter alexander ustinovparty to the transactionparticular propositionpakistani monetary unitovo-lacto vegetarianismorder podicipediformesorder lyginopteridalesorder caprimulgiformesnorwegian monetary unitnondirectional antennanikolai rimsky-korsakovmusculus intercostalismongolian monetary unitmegaptera novaeangliaemauritian monetary unitmaternal-infant bondingmale reproductive glandmalaysian monetary unitlope felix de vega carpioliquefied petroleum gasligustrum obtusifoliumkonrad zacharias lorenzknight of the round tableklebs-loeffler bacillusketorolac tromethaminejupiter optimus maximusjordanian monetary unitjohn greenleaf whittierjohn fitzgerald kennedyjack roosevelt robinsonisle royal national parkintravenous anestheticintestinal obstructioninterrogative sentenceinterlingual renditionindustrial watercourseimmunosuppressive drugigor ivanovich sikorskyicelandic monetary unithungarian monetary unitherpes varicella zosterhenry hobson richardsonhelianthemum scopariumhans holbein the youngerhaitian creole languagegravitational collapsegorilla gorilla gorillaginglymostoma cirratumgeometrical regularitygasterosteus pungitiusfratercula corniculatafranz joseph i of austriafirst-order correlationfinancial organizationfield-effect transistorfamily rhinotermitidaefamily peronosporaceaefamily myrmecophagidaefamily grossulariaceaeexperimental conditionexecution of instrumenteupatorium perfoliatumeucalyptus fraxinoidesethiopian monetary unitempire state of the southellipsoid of revolutionelimination tournamentelectrolytic condenserelectrical distributordominican monetary unitdisturbance of the peacedissolution of marriagedisseminated sclerosisdiametrical oppositiondestructive metabolismdesoxyribonucleic aciddecomposition reactiondano-norwegian languagecucurbita argyrospermacreate from raw materialcorroborating evidencecontinuity army councilcongressional districtcongenital abnormalitycomedogenic ingredientcolombian monetary unitclinton administrationchromosomal aberrationchionanthus virginicuschemotrophic autotrophcharles frederick worthcharles francois gounodcercopithecus aethiopscentral processing unitcarbon dioxide acidosiscapital of western samoacapital of west virginiacapital of turkmenistancapital of new hampshirecape verde monetary unitcampanula rotundifoliacampanula persicifoliacambodian monetary unitbureaucratic procedurebulgarian monetary unitbrazilian monetary unitbhutanese monetary unitbattle of soissons-reimsbattle of little bighornbattle of lake trasimenebattle of granicus riverbattle of bosworth fieldbarthold george niebuhrbank-depositor relationballistic galvanometerautomatic transmissionarticulatio trochoideaarticulatio synovialisarticulatio spheroideaarteria infraorbitalisarmed forces censorshiparithmetic progressionargentine monetary unitarctostaphylos uva-ursiarchitectural ornamentantidorcas marsupialisanthriscus cereifoliumanacardium occidentalealeksandr solzhenitsynailuropoda melanoleucaagkistrodon contortrixadenosine triphosphateacrocentric chromosomeaccord and satisfactionaccommodation endorseracanthocybium solandriacademic administratorzonotrichia leucophryszanthoxylum americanumzalophus californianusyellow-breasted buntingyellow-bellied terrapinxestobium rufovillosumworld tamil associationwoolly bear caterpillarwinter flowering cherrywinter crookneck squashwilliam randolph hearstwilliam pitt the youngerwilliam henry fox talbotwilliam crawford gorgaswilhelm konrad roentgenwestern lowland gorillawerdnig-hoffman diseaseweapons-grade plutoniumwar of the grand alliancewallis warfield windsorwallis warfield simpsonvoyageurs national parkvon willebrand's diseasevladimir kosma zworykinviral hemorrhagic feverviolet-flowered petuniaviktor lvovich korchnoivideocassette recordervictorian architectureveterans of foreign warsveronica serpyllifoliaverbesina alternifoliavenae cerebrum inferiorvena retromandibularisvan allen radiation beltursus arctos horribilisurea-formaldehyde resinupper respiratory tractuniversity of wisconsinuniversity of cambridgeunited states of americaunited methodist churchtype i allergic reactionturpentine camphor weedtrigonometric functiontrifolium stoloniferumtrichostema dichotomumtrichophaga tapetzellatrichomanes boschianumtricholoma pessundatumtricholoma flavovirenstransportation companytransferred possessiontransactional immunitytragopogon porrifoliustoxicodendron radicanstoo big for one's breechesthree-dimensional radarthoracoepigastric veinthoracic actinomycosisthird battle of the aisnethiamine pyrophosphatethermopsis macrophyllathermonuclear reactionthelypteris dryopteristerrorist organizationterrietia trifoliolatatennessee walking horsetelocentric chromosometelevision transmittertake time by the forelocksynchronic 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 mossbauerround-leaved rein orchidrocky mountain bee plantrock-climbing equipmentrobert maynard hutchinsrobert andrews millikanrichmondena cardinalisrichard von krafft-ebingrichard adolf zsigmondyrhynchoelaps australisrhyacotriton olympicusrheumatoid spondylitisrevolutionary calendarreverse polish notationresistance thermometerrepublic of south africarepublic of sierra leonereproductive structurerelative molecular massrehabilitation programregression coefficientreginald carey harrisonrectilinear regressionreconnaissance vehiclereconnaissance missionreconnaissance in forcereceived pronunciationreactive schizophreniarapid eye movement sleepradiotherapy equipmentradioactive iodine testquantum chromodynamicspyotr ilych tchaikovskypulmonary tuberculosispublic relations personpterocarpus angolensispsychosomatic disorderpsychological disorderpsychoanalytic processpseudowintera coloratapseudocolus fusiformisprumnopitys ferrugineaprotoplasmic astrocyteprotestant reformationpropositional calculusprofessional wrestlingprinciple of relativityprincipality of andorraprincipal investigatorprincess grace of monacoprince otto von bismarckprimitive idealizationprimary colour for lightpresident john f. kennedypreliminary prospectuspower-assisted steeringpotassium permanganatepotassium ferrocyanidepotamogeton gramineouspotamogeton americanusposttraumatic epilepsypostmortem examinationposterior cardinal veinpomoxis nigromaculatuspolypodium glycyrrhizapolyneuritic psychosispolitical correctitudepolemonium van-bruntiaepodicipitiform seabirdplatycladus orientalispinwheel wind collectorpiezoelectric materialpiedmont type of glacierphytophthora infestansphysostegia virginianaphysiological reactionphotographic equipmentphotochemical reactionphoradendron serotinumphonetic transcriptionpholiota squarrosoidespharmaceutical companypeter ilich tchaikovskypersonality assessmentperomyscus maniculatusperformance capabilitypeople's republican armypeople's liberation armypennisetum cenchroidespellaea andromedifoliapelargonium graveolenspeacekeeping operationpath of least resistanceparliamentary monarchyparanoid schizophreniaparacheirodon axelrodiornithischian dinosauroriental black mushroomoreopteris limbospermaordinary life insuranceorder struthioniformesorder pseudoscorpionesorder podicipitiformesorder dinornithiformesorder conodontophoridaoral poliovirus vaccineoral contraceptive pilloperating instructionsonoclea struthiopterisonobrychis viciaefoliaonion yellow-dwarf virusone hundred seventy-fiveoliver wendell holmes jr.old world leishmaniasisold high german languageodocoileus virginianusoctal numeration systemoccipitomastoid sutureoccipital protuberancenuclear fusion reactionnorth germanic languagenormal tension glaucomanonverbal intelligencenonspecific urethritisnonprofit organizationnondiscretionary trustnitrohydrochloric acidnickel-iron accumulatornew world leishmaniasisneuromuscular junctionnerve block anaesthesianeonatal mortality rateneolentinus ponderosusneo-gothic architecturenegaprion brevirostrisneedlepoint embroiderynational trading policymusculus biceps femorismoving-coil loudspeakermoehringia laterifloramithridates vi of pontusmirabilis oblongifoliamicrowave spectroscopymicromeria chamissonismicrofinishing machinemeuse-argonne operationmeuse-argonne offensivemeteorological balloonmetacentric chromosomemesa verde national parkmelanotis caerulescensmaximilien robespierrematurity-onset diabetesmathematical operationmarriage of conveniencemantled ground squirrelmandrillus leucophaeusmandragora officinarummalignant hypertensionmalaysia militant groupmalabsorption syndromemagnetic storage mediummacowanites americanusmacadamia integrifolialysimachia quadrifolialower respiratory tractlow-density lipoproteinlorenzo the magnificentloiseleuria procumbenslocalization principlelocalisation principleliver-spotted dalmatianlittle ebony spleenwortlithospermum canescensliteral interpretationlisteria monocytogeneslipid-lowering medicinelinguistic performanceline of least resistancelime disease spirochetelieutenant junior gradelesser butterfly orchidlaw of partial pressureslateral geniculate bodylarge-flowered calamintlarge indefinite amountlanthanotus borneensislake clark national parklagerstroemia speciosalagarostrobus colensoilacto-ovo vegetarianismkurdistan workers' partykurdistan workers partyknight of the square flagking arthur's round tableketamine hydrochloridekeratosis folliculariskarl gustav jacob jacobijuniperus horizontalisjoseph alois schumpeterjohn roderigo dos passosjohann gottfried herderjohan august strindbergivory-billed woodpeckerivor armstrong richardsislamic republic of iraniron manganese tungsteniron deficiency anaemiairaqi national congressinterstitial pneumoniainternational date lineinternal carotid arteryintelligence operationinsulin shock treatmentinstrument of executioninitial public offeringinformation technologyinformation processinginferior pulmonary veinindustrial loan companyindian rebellion of 1857imperative programmingimmunological disorderimmediate apprehensionimaginative comparisonhypericum hypericoideshypericum gentianoideshygrophorus kauffmaniihydraulic transmissionhydrated aluminum oxidehydnocarpus laurifoliahybrid tuberous begoniahumoral immune responsehorseradish peroxidasehorizontal integrationhorizontal combinationhorace wilkinson bridgehistorical linguisticshigher national diplomahibiscus heterophyllusheritiera trifoliolataherbert alexander simonhemorrhagic septicemiahelianthus laetiflorusheight of capillary risehand-held microcomputerhaleakala national parkgyromitra 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 braschigideon algernon mantellgibraltar monetary unitgeranium viscosissimumgeorge i of great britaingeorge frederick handelgenus tripleurospermumgenus plicatoperipatusgenus macrothelypterisgenus ephippiorhynchusgenus australopithecusgentianopsis thermalisgay liberation movementgastrointestinal tractgamma aminobutyric acidgaius cornelius tacitusfront-porch campaigningfritillaria pluriflorafritillaria parviflorafritillaria lanceolatafrequency distributionfrank morrison spillaneforestiera neomexicanaforest tent caterpillarfluorescein isocyanateflorists' chrysanthemumflorist's chrysanthemumfischer's slime mushroomfirst viscount nuffieldfirst epistle to timothyfirst duke of wellingtonfinancial organisationfertilization membraneferroelectric materialfamily treponemataceaefamily theophrastaceaefamily steatornithidaefamily spirochaetaceaefamily sphaerobolaceaefamily scomberesocidaefamily sclerotiniaceaefamily sarcoscyphaceaefamily rhizopogonaceaefamily pterodactylidaefamily petromyzontidaefamily orycteropodidaefamily mastotermitidaefamily ichthyosauridaefamily hydrophyllaceaefamily gomphotheriidaefamily gasterophilidaefamily erythroxylaceaefamily electrophoridaefamily dryopteridaceaefamily dromaeosauridaefamily dactylopteridaefamily cyprinodontidaefamily convallariaceaefamily chrysochloridaefamily cercopithecidaefamily ceratopogonidaefamily caryophyllaceaefamily balaenopteridaefamily anthocerotaceaefall-blooming hydrangeafahrenheit thermometerextrauterine gestationexternal oblique muscleexternal carotid arteryexternal auditory canalexponential expressionexperimental procedureexfiltration operationevening-primrose familyevangelista torricellieuropean woolly thistleeuropean ladies' tresseseuproctis chrysorrhoeaeuphorbia heterophyllaeuphorbia caput-medusaeeuphorbia amygdaloideseupatorium coelestinumeugenia caryophyllatumethylene tetrachlorideessential hypertensionerythronium americanumernst werner von siemenseretmochelys imbricataepimedium grandiflorumelinor morton hoyt wylieelectrophorus electricelectron spin resonanceelectrolytic capacitorelectrochemical serieselectrical line of forceecuadoran monetary unitectopistes migratoriuseconomic strangulationebola hemorrhagic fevereastern lowland gorilladwight david eisenhowerdumetella carolinensisdryopteris thelypterisdryopteris phegopterisdouglas elton fairbanksdouble-blind experimentdoctor-patient relationdivision spermatophytadistribution agreementdisinfestation officerdishonorable dischargedirectional microphonedirect injection dieseldioscorea elephantipesdigital plethysmographdifferential thresholddifferential diagnosisdiervilla sessilifoliadiachronic linguisticsdevelopmental learningdetachment of the retinadermacentor variabilisdepreciation allowancedepartment of sociologydepartment of educationdepartment of economicsdepartment of chemistrydeparia acrostichoidesdecompression sicknessdark field illuminationdaniel patrick moynihandaniel garrison brintoncyclonic vacuum cleanercurvilinear regressioncucurbita pepo melopepocucurbita foetidissimacrotalaria spectabiliscost structure analysiscorydalis sempervirenscortinarius corrugatuscortinarius armillatuscorticium salmonicolorcorrelational analysiscoronary insufficiencycoronary-artery diseasecoregonus clupeaformiscopyright infringementcoprinus atramentariusconversational partnercontingent probabilityconstant of gravitationconscientious objectorcongratulations lettercongenital heart defectconformational entropyconfigurational isomerconductive hearing lossconcentration gradientcomplementary medicinecomparative psychologycomparative negligencecomparative literaturecompact disc recordablecommon evening primrosecommiphora meccanensiscolor vision deficiencycolor television systemcollinsia heterophyllacollectivist anarchismcolaptes caper collariscognitive neurosciencecoefficient of frictioncochlearia officinalisclass chytridiomycetescitharichthys cornutuscircumflex femoral veincircuit court of appealschronological sequencechronic wasting diseasechronic pyelonephritischorionic villus biopsychief operating officerchief financial officerchief executive officercharlotte de rothschildcharacterisic functionchance-half correlationchamaecyparis thyoidescercopithecus talapoincentrosema virginianumcentral american nationcentigrade thermometercentaurea solstitialiscatholic reaction forcecategorical imperativecasuarina equisetfoliacarya myristicaeformiscarl xvi gustaf of swedencarl gustav jacob jacobicardiovascular diseasecardiopulmonary arrestcardamine rotundifoliacarcinomatous myopathycarcharodon carchariascarcharinus longimanuscapsicum annuum grossumcapsella bursa-pastoriscallitris glaucophyllacalifornia yellow bellscalifornia black walnutcalcium-channel blockercalamintha grandiflorabronx-whitestone bridgebritish house of commonsbringing close togetherbranchiopod crustaceanbrachychiton rupestrisbrachychiton populneusbrachychiton australisbottom fermenting yeastbotrychium virginianumboeuf fondu bourguignonbiquadratic polynomialbiogeographical regionbeta-adrenergic blockerbernoulli distributionbeaumontia grandiflorabasic cognitive processbabe didrikson zahariasautomotive engineeringaustrocedrus chilensisaustro-asiatic languageaustralian honeysuckleaureolaria pediculariaaugust ferdinand mobiusauditory hyperesthesiaauditory hallucinationauditory communicationatrioventricular valveatrioventricular trunkatrioventricular blockatmospheric phenomenonasynchronous operationastronomical telescopeasplenium rhizophyllumaspidiotus perniciosusasparagus asparagoidesasian longhorned beetleascii control characterartificial respirationarthur seymour sullivanarnold-chiari deformityarmoured combat vehiclearenaria serpyllifoliaarea of cardiac dullnessaraucaria heterophyllaapplications programmeapparatus urogenitalisanton gregor rubinsteinantoine henri becquerelantihemorrhagic factorantihaemophilic factoranterior vertebral veinanisotremus virginicusanglo-german concertinaangiogenesis inhibitoramphoteric electrolyteamorphophallus titanumamorphophallus rivieriamerican stock exchangeamerican smooth dogfishalstroemeria pelegrinaallium sphaerocephalumalfred joseph hitchcockalexander the liberatoralbert von szent-gyorgyiagkistrodon piscivorusactive electrolocationaccount representativeaccessory cephalic veinabstract expressionismabsorption coefficient
