18-Letter Words Containing: I,I,R,S
(In Any Order)
There are 266 18 letter words,
787 18 letter phrases and
0 18 letter abbr's with
I,I,R,S in.
Best Scoring 18 Letter Words With: I,I,R,S
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All 18 Letter Words
Words (266)
characteristicallydisproportionatelytransubstantiationtransmogrificationoversimplificationdisenfranchisementvideoconferencingsverisimilitudinousvaletudinarianismsvaingloriousnessesunprinciplednessesunpredictabilitiesuniformitarianismsungrammaticalitiesuncompromisingnessultrasophisticatedultramicroscopicaltriskaidekaphobiastriboluminescencestriboelectricitiestransubstantiatingtransportabilitiestransmissibilitiestransistorizationstransilluminationsthrombophlebitidesthermoplasticitiestheatricalizationssupranationalitiessupersophisticatedsupersensitivitiessuperminicomputerssuperintelligencessupercivilizationssuperciliousnessessuperadministratorsubmicroscopicallysubcategorizationsstructuralizationsstoichiometricallystereospecificallystereoregularitiessemiprofessionallysemipermeabilitiessemiconservativelysatisfactorinessessacrilegiousnessesribonucleoproteinsrevascularizationsrepresentativitiesreprehensibilitiesrenationalizationsreinstitutionalizerehospitalizationsredistributionistsrecrystallizationsreconstructionistsreconstructionismsradiosensitivitiesquattuordecillionsquasiperiodicitiespsychobiographicalprovincializationspropagandisticallypronounceabilitiespremillenarianismspredestinarianismspraiseworthinessespostmillenarianismpolyesterificationpolyacrylonitrilespiezoelectricitiesphotoreactivationsphotomicrographiesphotolithographiesphotodisintegratesphotodisintegratedpertinaciousnessesperpendicularitiesparticularizationsoverspecializationoveroptimisticallyoverindustrializesoverindustrializedoverfertilizationsovercommunicationsovercommercializesoverclassificationoscillographicallyorthopsychiatristsorthogonalizationsnonrevolutionariesnoninterventionistnonfraternizationsnondiscriminationsnoncooperationistsnoncomparabilitiesnonarbitrarinessesneurotransmissionsneuropsychiatristsneurophysiologistsmultifariousnessesmulticellularitiesmonochromaticitiesmisrepresentationsmisinterpretationsmisadministrationsmineralocorticoidsmicroreproductionsmicroradiographiesmicrophotographiesmicrometeorologistmicrometeorologiesmicromanipulationsmicrolepidopterousmicroencapsulationmicroencapsulatingmicrodensitometricmicrodensitometersmicrocrystallinitymicrocalorimetriesmeretriciousnessesmelodramatizationsmechanochemistriesmaladministrationsmagnetostrictivelymacroglobulinemiaslymphangiographieslipopolysaccharidelepidopterologistslatitudinarianismsirretrievabilitiesirresponsivenessesirresponsibilitiesirresistiblenessesirrepressibilitiesirreplaceabilitiesirremediablenessesirreconcilablenessintrospectionisticintransitivenessesintersubstitutableinterrelationshipsinterpretabilitiesinteroperabilitiesinternationalitiesinternationalisinginterminablenessesintermediatenessesinterinstitutionalintercolumniationsinharmoniousnessesinexpressivenessesinexpressibilitiesindustrializationsindiscriminatinglyindiscriminatenessindestructiblenessincorruptibilitiesincorrigiblenessesinconvertibilitiesinconsiderablenessincommensurabilityinarticulatenessesinappreciativenessimpracticabilitiesimperturbabilitiesimpersonalizationsimpermissibilitiesimperishablenessesimperceptivenessesimmunosuppressionsimmunoreactivitiesimmunoprecipitateshypersensitizationhypersensitivitieshypersensitivenesshyperrationalitieshyperpolarizationshyperpigmentationshypernationalistichyperimmunizationshyperalimentationshydroelectricitiesgranulocytopoiesisgeneralizabilitiesfractionalizationsferroelectricitiesexterritorialitiesevapotranspirationestablishmentarianentrepreneurialismelectrophysiologicelectrophilicitieselectrodesiccationelectrodepositionselectrochemistriesechocardiographiesdisproportionationdisproportionatingdisintermediationsdiscriminabilitiesdimethylhydrazinesdihydroergotaminesdiastereoisomerismdepersonalizationsdematerializationsdeliberativenessesdedifferentiationsdecriminalizationsdeconstructionistscreditworthinessescounterquestioningcounterinstitutioncounteradvertisingconversationalistscontradistinctionscongregationalistscongregationalismscompartmentalisingcommercializationscommensurabilitiesbureaucratizationsbourgeoisificationbloodthirstinessesbiotransformationsbiodegradabilitiesbacteriorhodopsinsaustralopithecinesappreciativenessesantidiscriminationanticommercialismsantiadministrationanagrammatizationsunsatisfactorinessultranationalistictriphosphopyridineterritorialisationrhinolaryngologistrecruiting-sergeantpteridospermopsidaovercapitalisationnonprognosticativeneurophysiologicalmuscivora-forficatalaryngopharyngitislacto-vegetarianisminternationalisticindustrial-strengthhypoparathyroidismhemidemisemiquavergood-neighborlinessglomerulonephritisfibrocartilaginousdiethylstilbestrolcytoarchitectonicscylindrical-stemmedcross-fertilizationcross-fertilisationcorrosion-resistantcharacteristicnessballistocardiogramarteriolosclerosisantiferromagnetismanticholinesteraseanti-traditionalismPhrases (787)
woodwind instrumentwisteria floribundawilliam shakespearewilliam james durantwilliam butler yeatswhispering campaignwedding anniversaryvladimir mayakovskyvictor frankensteinviccinium myrtillusvertical stabiliserupton beall sinclairunited arab emiratestransmitting aerialthird epistle of johnthird epistel of johntelevision reportertelevision receiversyzygium aromaticumsyrian monetary unitsupervisory routinesuperiority complexsubversive activitysuborder myxinoideistringed instrumentsquirreltail barleyspanish-american warsocial organizationsocial organisationsir william herschelsir william chamberssir mortimer wheelersir matthew flinderssir martin frobishersir frederick ashtonsir christopher wrensingle-reed woodwindshort-term liabilitysetophaga ruticillasergei rachmaninoffsense of equilibriumsemilunar cartilageseismic disturbancescottish highlanderscorpio the scorpionscientific researchrheims-douay versionrespiratory illnessrepublic of surinamerepublic of sloveniarepublic of maldivesrenaissance revivalreligious residenceprofessional boxingpriority processingposterior pituitarypositive reinforcerpolish monetary unitpiano transcriptionphysical attractionparnassia palustrisparainfluenza virusostrya carpinifoliaoscar hammerstein iiorder sarcosporidiaorder ichthyosauriaorder ciconiiformeson an irregular basisoil-industry analystnicolaus copernicusnational censorshipnarcotic antagonistminor tranquilliserminister of religionmeconopsis cambricamaterial possessionmacrozamia communislouis-hector berliozlinguistic relationlimenitis archippuslicensing agreementliability insurancelepomis macrochiruskatherine mansfieldkarl friedrich gaussjean baptiste racinejames whitcomb rileyirvingia gabonensisintervertebral diskintervertebral discinterstitial tissueinternational scaleinstallation chargeinfantile paralysisimperfective aspecthypostasis of christhypertonic solutionhistorical documenthibiscus sabdariffaheat of vaporisationgovernment ministergiambattista marinogenus struthiomimusgenus citharichthysgarcinia mangostanafunctional disorderfricative consonantfrankliniella fuscafirst epistle of johnfederation of tribesfamily spirillaceaefamily sphyraenidaefamily scorpaenidaefamily physeteridaefamily centriscidaeerigeron canadensisduck-billed dinosaurdrafting instrumentdouay-rheims versiondmitri shostakovichdivision eubacteriadistributor housingdistinctive featuredirect transmissiondipsacus sylvestrisdiplomatic ministerdasyurus viverrinusdanish monetary unitdame sybil thorndikecyanocitta cristatacrotalus mitchelliiconstantin brancusicommissaire maigretcolumbia universitycircassian languagechemical operationsceremonial occasioncarl wilhelm siemenscarduelis cardueliscarassius carassiuscapital of australiabusiness enterprisebush administrationbook of instructionsblue ridge mountainsbiological researchberberis canadensisbanana passion fruitbaccharis pilularisauthoritarian stateaustralian lungfishaugustinian hermitsattestation serviceassyrian neo-aramaicaspalathus linearisartistic productionarteria vertebralisartemisia filifoliaarmoracia rusticanaareteria cervicalisantirrhinum filipesantineoplastic drugandrew dickson whiteanamnestic reactionanalysis of varianceamphibious aircraftamerican pulsatillaalexander i of russiaair-to-ground missileageratina altissimaadministrative unitadministrative bodywisteria frutescenswinter olympic gameswillie howard mays jr.william henry sewardwilliam henry hudsonwilderness campaignwhole life insurancewhite slime mushroomwhite fringed orchiswestern prince's pinewalter william skeatvolumetric analysisvirginia strawberryvirginia serpentaryviperine grass snakevinegar joe stilwellvespertilio murinusvertical stabilizervermillion rockfishverbesina virginicaverbascum lychnitisvena supraorbitalisvena intercapitalisvena appendicularisvascular hemophiliavaccinium scopariumvaccinia gangrenosauropsilus soricipesuniversity of sussexuniversity of oxfordunipolar depressiontuberculin skin testtrusteeship counciltropical rain foresttrogium pulsatoriumtrisodium phosphatetremella fuciformistransmission systemtransitive verb formtransfiguration daytransfer of trainingtobacco mosaic virusthermosetting resinthermoplastic resinthermobia domesticathermionic emissiontheory of indicatorsthamnophis sirtalisthamnophis sauritusthamnophis proximusthalamostriate veinteucrium scorodoniatetraneuris acaulisterritorial reserveterminable interesttarquinius superbustaraktogenos kurziitaraktagenos kurziitakayasu's arteritissystema digestoriumsyrian arab republicsymplocus tinctoriaswiss confederationsutura internasalissurvivors insurancesurjective functionsurgical instrumentsupra expressionismsuperior labial veinsuperior colliculussuperfamily apoideasubsistence farmingsuborder tarsioideasuborder ruminantiasuborder pinnipediasuborder mugiloideasuborder lacertiliasubmersible warshipsubfamily triglinaesubfamily sterninaesubfamily dorylinaesubfamily anserinaesubclass dibranchiasubclass cirripediastriped button quailstress incontinencestrawberry daiquiristratified samplingstratified languagestraight-line methodstochastic variablestereoscopic visionsterculia rupestrisstellar associationstarvation acidosisstanford universityst. christopher-nevissporobolus poiretiispirit of turpentinespiranthes spiralisspartina pectinmatasparmannia africanasouthern maidenhairsolar magnetic fieldsolanum commersoniisodium hypochloritesociological theorysmilax rotundifoliaslip friction clutchskin perceptivenesssix-lined racerunnersisymbrium barbareasir humphrey gilbertsir ernst boris chainsir bernard williamssir alfred hitchcocksingle-breasted suitsignal-to-noise ratioside-blotched lizardsidalcea malviflorasiberian wall flowershortia galacifoliasexual relationshipserratula tinctoriasensory deprivationsensorimotor regionseminiferous tubulesemiconductor diodesecurities industrysecondary dentitionsecobarbital sodiumscopolia carniolicasaxifraga stellarissaxifraga hypnoidessarcophilus hariisisapindus marginatussao tome and principesanskritic languagesanskrit literaturesample distributionsalvinia auriculatasalicornia europaeasaint teresa of avilasaint martin's summersaint lawrence riversaint francis xaviersacrifice operationsabbatia campestrisright gastric arteryrickettsial diseaserhodesian ridgebackrhodanthe manglesiirhizopus stoloniferrhizomatous begoniarhizoctinia diseaserhetorical questionrespiratory diseaserepulsorlift enginerenal insufficiencyremilegia australisreligious mysticismrelative atomic massregression equationregression analysisregistration numberregistered securityregional anesthesiaredbrick universityreal-time processingreactive depressionreaction propulsionratibida columnarisquercus marilandicaquadriphonic systemquadrigesima sundaypyrrhuloxia sinuatapyrophosphoric acidpylodictus olivarispus-forming bacteriapurple virgin's bowerpupillary sphincterpulse timing circuitpulsatilla vulgarispublic relations manpublic presentationpterocarpus indicuspsychotria capensispsoriatic arthritispsittacus erithacusprunus angustifoliaprospero lambertiniprosopis juliifloraprosecuting officerpropositional logicprofessional tennisprocursive epilepsyprionotus carolinusprince edward islandprevailing westerlyprehistoric cultureprairie rattlesnakeprairie golden asterpotentilla anserinapotassium hydroxideporcupine provisionponcirus trifoliatapolystichum brauniipolypodium scouleripolyphosphoric acidpolitical commissarpolice commissionerpodiceps ruficollisplumed scorpionfishplatanus orientalisplatanus acerifoliapinus californiarumpierre-simon laplacephragmites communisphilaenus spumariuspezophaps solitariaperuvian mastic treepersonal credit linepersian gulf illnessperiodontal diseaseperiarterial plexuspeperomia sandersiipenstemon rydbergiipennisetum ruppeliipeninsular malaysiapedestrian crossingparnassia fimbriataparkinsonia floridaparathion poisoningparanthias furciferpaprilus alepidotuspancreatic fibrosispalestine authorityoxytropis lambertiiornithopod dinosaurorder ustilaginalesorder rickettsialesorder polymastiginaorder mycrosporidiaorder haplosporidiaorder haemosporidiaorder cypriniformesorder coraciiformesold frisian languageobservation stationnormative economicsnormal distributionnonreligious personnon-christian priestnierembergia repensnicolaus zinzendorfnicholas ii of russianew siberian islandsneurotic depressionnasogastric feedingnarcissus jonquillamyrica pensylvanicamyosotis scorpiodesmyositis trichinosamusculophrenic veinmultiple regressionmomordica balsaminamolecular biologistmissouri compromiseminor diatonic scaleminiature schnauzermineral associationminato ohashi bridgemilitary commissionmilitary censorshipmikhail baryshnikovmicroscopic anatomymicroprocessor chipmetaphosphoric acidmertensia virginicamerovingian dynastymeriones longifronsmelospiza georgianamarta brigit nilssonmarsilea drummondiimarriage counselingmammillaria plumosamalacosoma disstriamajor tranquillisermajor diatonic scalemagnesium hydroxidemacrozamia spiralismachine translationlysimachia vulgarislouis henry sullivanlouis henri sullivanlonicera canadensislivistona australislitocranius wallerilisteria meningitislip synchronizationlip synchronisationlimnodromus griseuslimnocryptes minimaligustrum japonicumlibyan islamic grouplearning disabilitylearner's dictionaryleaning tower of pisalathyrus latifoliuslate-spring-bloominglagenaria sicerarialactarius deliciosokingdom protoctistaking charles spanielkeratosis nigricanskarl wilhelm siemenskammon strait bridgejunction transistorjumping bristletailjuglans californicajudicial separationjuan carlos i of spainjosiah willard gibbsjohn birks gillespiejessica lucy mitfordjean francois milletjasminum nudiflorumitalian renaissanceisopyrum biternatumiron-storage diseaseipomoea orizabensisintravenous feedinginterstellar mediuminternal combustionintermediate shroudintergalactic spaceinterfacial tensioninsider informationinorganic phosphateinorganic chemistryinformer's privilegeinformation scienceinformation measureinflationary spiralinferior colliculusinductive reasoningindri brevicaudatusindirect expressionin your birthday suitin one's birthday suitilex paraguariensisidiopathic disorderidiographic sciencehysterical neurosishypophosphoric acidhundred-and-sixtiethholocentrus bullisihexalectris spicatahesperis matronalisherpes simplex virusherpes encephalitishermann emil fischerheinrich schliemannhawaii standard timeharry sinclair lewishalocarpus bidwillihalicoeres radiatushaematobia irritansgrindelia squarrosagrievous bodily harmgreenhouse emissiongreen fringed orchisgraduation exercisegradable oppositionglorious revolutiongilbert and sullivangiant red paintbrushgiannangelo braschigiambattista marinigeostationary orbitgenus trichodesmiumgenus schizachyriumgenus rhinonicterisgenus phragmipediumgenus micropogoniasgenus microdipodopsgenus ibero-mesornisgenus hemitripterusgenus frankliniellagenus dicranopterisgenus chorizagrotisgenus centropristisgenus armillariellagenus armadillidiumgenus argyroxiphiumgenus archidiskidongenus actiniopterisgenital personalitygeneralized seizuregastroepiploic veinfumaria officinalisfuchsia excorticatafritillaria affinisfringed loosestrifefriedrich nietzschefrancois mitterrandfragaria chiloensisfour-wing flying fishflorida selaginellaflat tip screwdriverfinno-ugric-speakingfemale circumcisionfavourable positionfamily xenosauridaefamily stromateidaefamily sphaeriaceaefamily scutigeridaefamily scarabaeidaefamily rhiptoglossafamily relationshipfamily ramphastidaefamily orchestiidaefamily nephropsidaefamily marsileaceaefamily gesneriaceaefamily erysiphaceaefamily ceratopsidaefamily brassicaceaefamily ambrosiaceaefairness commissionexclusion principleeusebius hieronymuseurasian kingfishereuclid's fourth axiomeucharistic liturgyernst heinrich webereptesicus serotinusepidural anesthesiaepacris obtusifoliaenglish hippocratesengineering scienceemil hermann fischerelectrostatic fieldelectric resistanceeichhornia spesiosaedwin dubois haywardecclesiastical robeeastern indigo snakeeastern catholicismeast indian rosewooddryopteris goldianadryopteris filix-masdryopteris dilatatadoctor of humanitiesdivision rhodophytadivine right of kingsdiversionary attackdistrict of columbiadissociation energydispersed particlesdisorderly behaviordiscretionary trustdioscorea bulbiferadigitaria ischaemumdicentra canadensisdescurainia pinnatadescriptive grammardepressive disorderdelusional disorderdeflationary spiraldeep supporting firedeductive reasoningdalbergia cearensiscytisus multifloruscupressus arizonicacrystallized gingercrucifixion of jesuscross-country skiingcross-country ridingcrisis interventioncriminal possessioncrataegus apiifoliacorticospinal tractcorrosive sublimatecoronavirus diseasecornelius janseniuscoreopsis tinctoriacordyline australiscoptis groenlandicaconversion reactionconversion hysteriaconversion disorderconvallaria majaliscontinuing trespasscontagious abortionconsumer price indexconnarus guianensiscongenital disorderconflict of interestcomputer simulationcomplex prepositioncompetitor analysiscoluber hippocrepiscollective securitycolinus virginianuscoeloglossum virideclinical depressionclimbing salamanderclematis virginianaclematis versicolorcleistes divaricataclass coniferopsidaclass archiannelidacitrus aurantifoliacitroncirus webbericitellus variegatuscirsium lanceolatumcirsium helenioidescircis siliquastrumcimicifuga racemosachristian scientistchristian schonbeinchoriotis australischolesterosis cutischi-square statisticchelifer cancroidescharles william postcharles vii of francecharles ii of englandcerebrospinal fluidcercis occidentalisceratotherium simumcerapteryx graminiscelestial hierarchycatherine i of russiacatherine de mediciscarolingian dynastycarl friedrich gausscarissa grandifloracarduelis cannabinacardigan welsh corgicardamine pratensiscardamine douglasiicapparis mitchelliicapital of singaporecapital of san marinocapital of costa ricacanalis vertebraliscalostoma raveneliicallorhinus ursinuscallitris calcaratacalifornia sycamorecalifornia allspicecalidris ferrugineaburmeisteria retusaburhinus oedicnemusbubalus mindorensisbrush-tail porcupinebroadcasting studiobritish thermal unitbritish labour partybristly sarsparillabrevoortia tyrannisbrassica perviridisborn-again christianbissau-guinean francbird-footed dinosaurbinge-vomit syndromebillion-dollar grassbidens trichospermabering standard timeberberis thunbergiibastard lignum vitaebarbados maidenhairautomobile industryautoimmune disorderauriparus flavicepsattractive nuisanceasterid dicot familyassociate in nursingaspidelaps lubricusasian tiger mosquitoasclepias incarnataarteria mesentericaarteria ethmoidalisarteria epigastricaarteria communicansarteria auricularisartemisia abrotanumaristotelia serrataaristolochia duriorarisaema triphyllumarisaema dracontiumapothecaries' weightantarctic peninsulaanolis carolinensisanoa depressicornisannona diversifoliaanion-exchange resinangoumois grain mothangelica sylvestrisanarchist communismalsophila pometariaalnus veridis crispaalbizia julibrissinalan mathison turingagitated depressionagaricus campestrisaegilops triuncalisadmiralty mountainsacute brain disorderactive matrix screenacoustic resistanceacoustic projectionacoustic absorption
