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18-Letter Words Containing: I,O,P,R,S

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There are 143 18 letter words, 476 18 letter phrases and 0 18 letter abbr's with I,O,P,R,S in.

Best Scoring 18 Letter Words With: I,O,P,R,S

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Words (143)
disproportionatelyoversimplificationspectrophotometricoverrepresentationhyperaldosteronismneuropsychologicalunresponsivenessesunprofitablenessesuncompromisingnessultrasophisticatedultramicroscopicaltriskaidekaphobiastransportabilitiesthrombophlebitidesthermoplasticitiessupranationalitiessupersophisticatedsuperminicomputerssupercivilizationssuperciliousnessessuperadministratorsubmicroscopicallystereospecificallystereophotographicsphygmomanometriesspectrohelioscopesspectroheliographyspectroheliographsspectrofluorimetersoporiferousnessessemiprofessionallyribonucleoproteinsrepresentationallyrehospitalizationsrechromatographiesquasiperiodicitiespsychobiographicalpseudotuberculosisprovincializationspropagandisticallypronounceabilitiespraiseworthinessespostmillenarianismpolyesterificationpolyacrylonitrilespiezoelectricitiesphotoreproductionsphotoreactivationsphotomorphogenesisphotomicrographiesphotolithographiesphotodisintegratesphotodisintegratedphosphodiesterasespertinaciousnessesparticularizationsoverspecializationoverprotectivenessoveroptimisticallyoverextrapolationsoscillographicallyorthopsychiatristsnonrepresentativesnoncooperationistsnoncomparabilitiesnonanthropologistsneuropsychologistsneuropsychiatristsneurophysiologistsmisrepresentationsmisinterpretationsmicroreproductionsmicroradiographiesmicrophotographiesmicrophotographersmicromanipulationsmicrolepidopterousmicroencapsulationmicroencapsulatingmethylprednisolonemacrophotographieslymphangiographieslumpenproletariatslipopolysaccharidelepidopterologistsirresponsivenessesirresponsibilitiesirreproachablenessintrospectionisticinterrelationshipsinteroperabilitiesincorruptibilitiesimpersonalizationsimmunosuppressionsimmunosuppressantsimmunoprecipitateshypersensitizationhyperrationalitieshyperpolarizationshyperpigmentationshypernationalistichyperimmunizationshyperconsciousnesshyperalimentationshydroxytryptaminesgranulocytopoiesisgranulocytopoiesesexpressionlessnessevapotranspirationelectrophysiologicelectrophilicitieselectromyographieselectrodepositionsechocardiographiesechocardiographersdisproportionationdisproportionatingdextroamphetaminesdephosphorylationsdepersonalizationscounteradaptationscomprehensiblenesscompartmentalisingclaustrophobicallybacteriorhodopsinsaustralopithecinesastrophotographiestriphosphopyridinespectrographicallypteridospermopsidapteridospermaphytapsychotherapeuticsplasmodiophoraceaeovercapitalisationorder-chenopodialesnonprognosticativenoncomprehensivelyneurophysiologicalmucopolysaccharidelaryngopharyngitishypoparathyroidismhypercholesteremiaglomerulonephritis
Phrases (476)
worldly possessionsupton beall sinclairunconscious processtranslating programthird epistle of johnthird epistel of johntelevision reportersupervisory routinesuperiority complexsuborder anisopterasir henry joseph woodsir christopher wrensexual reproductionsetophaga ruticillascorpio the scorpionsamolus parviflorusrespiratory illnessrepublic of surinamerepublic of sloveniarepublic of maldivesrepublic of hondurasproposal of marriageprofessional golferprofessional boxingpriority processingprince-of-wales plumepresident jeffersonposterior pituitarypositive reinforcerportuguese republicpopulus tremuloidespooecetes gramineuspolish monetary unitpolianthes tuberosapiano transcriptionphysical attractionparkinson's syndromep-type semiconductorostrya carpinifoliaorder sauropterygiaorder sarcosporidiaorder passeriformesnicolaus copernicusnewspaper columnistneuropterous insectnephrops norvegicusnational censorshipmusical performancemusculus temporalismusculospiral nervemorchella crassipesmeleagris gallopavomeconopsis cambricamaterial possessionlepomis macrochiruskilocycle per secondhypostasis of christhypertonic solutionhouses of parliamentherpestes ichneumonheat of vaporisationhealth professionalgossypium herbaceumgenus dimorphothecagallinula chloropusfreudian psychologyfrancis ford coppolafirst epistle of johnfamily scorpaenidaeexpressed almond oilerinaceus europaeuselectronics companyelectron microscopedisreputable persondisagreeable persondiplomatic ministercompression bandagecollapsible shelterchristopher marlowechemical operationscerebrospinal fevercause to be perceivedcapital of new jerseycapital of australiabanana passion fruitartocarpus communisartistic productionantineoplastic drugamphibious aircraftamaranthus spinosusagropyron cristatumacoustic gramophonezero-coupon securityyellow lady's slipperxyphophorus helleriwynnea sparassoideswrit of habeas corpuswinter olympic gameswestern roman empirevespula maculifronsvespertilio murinusvena supraorbitalisvascular prosthesisvascular hemophiliavaledictory speakervaccinium scopariumuropsilus soricipesupper carboniferousupholstery materialunipolar depressionumbelliferous planttussock caterpillartuberculoid leprosytrusteeship counciltropical rain foresttrogium pulsatoriumtrisodium phosphatetragelaphus buxtonitop fermenting yeastthujopsis dolobratathreshold operationthird battle of ypresthermoplastic resinthamnophis sirtalisthamnophis sauritusthamnophis proximustextual scholarshipsynaptomys borealissymplocus tinctoriasymphoricarpos albasweet-potato ring rotsupratrochlear veinsupra expressionismsupervisory programsuperior labial veinsuperior colliculussuperfamily apoideasuperannuation fundsuborder pinnipediasuborder lipotyphlasuborder ceratopsiastriped button quailstreptopelia turturstereoscopic visionstereophonic systemsteganopus tricolorst. christopher-nevissporobolus poiretiispirit of turpentinespanish oyster plantsouthern yellow pinesouthern hemispheresodium hypochloritesocial anthropologysnowdrop windflowersmoking compartmentslip friction clutchsingle-furrow ploughsilver-leaved poplarshort saphenous veinsexual relationshipsex-change operationsensory deprivationscopolia carniolicasaxifraga hypnoidessarcophilus hariisisarcophaga carnariasaratoga spittlebugsao tome and principesample distributionsalicornia europaeasailor's breastplatesacrifice operationrocky mountain sheeprhizopus stoloniferretarded depressionrespiratory diseaserepulsorlift enginerepublic of the sudanrepublic of botswanareproductive systemreal-time processingreactive depressionreaction propulsionquercus chrysolepisquadriphonic systemquadraphonic systempyrrhuloxia sinuatapyrophosphoric acidpyorrhea alveolarispylodictus olivarispus-forming bacteriapurple-hooded orchispurple virgin's bowerpublic relations manpublic presentationpterocarpus indicuspsychotria capensispsoriatic arthritispsocopterous insectprunus angustifoliaprumnopitys elegansprospero lambertiniprosopis juliifloraprosopis glandulosaprosecuting officerpropositional logicproportional samplepromotional expenseprofessional tennisprofessional personprofessional dancerprocyon cancrivorusprocursive epilepsyprionotus carolinusprince-of-wales'-heathprince of wales heathpresident rooseveltpresident john adamspresent progressiveprehistoric cultureprairie golden asterpower-station workerpotentilla anserinapotato scab bacteriapotassium hydroxidepotassium carbonatepotamogeton crispusportal hypertensionporcupine provisionpopulus trichocarpapopulus balsamiferaponcirus trifoliatapomatomus saltatrixpolystichum brauniipolypodium scouleripolyphosphoric acidpolitical commissarpolice headquarterspolice commissionerpodiceps ruficollispneumogastric nerveplumed scorpionfishplatanus orientalisplatanus acerifoliaplains pocket gopherplains lemon monardapinus californiarumpinnotheres ostreumpine-barren sandwortpierre-simon laplacephyllostachys nigraphragmites communisphaseolus angularispezophaps solitariapetroleum geologistpersonal credit lineperomyscus eremicusperiodontal diseasepeperomia sandersiipenstemon rydbergiipenstemon newberryipembroke welsh corgipedestrian crossingpaul bustill robesonparochetus communisparkinsonia floridaparathion poisoningparascalops breweriparallel processingpaprilus alepidotuspancreatic fibrosispalestine authoritypalace of versaillesoxytropis lambertiiorthopterous insectornithopod dinosaurorder temnospondyliorder stegocephaliaorder psilophytalesorder polymastiginaorder plumbaginalesorder plantaginalesorder mycrosporidiaorder haplosporidiaorder haemosporidiaorder cypriniformesorder aspergillalesoperations researchoperating statementnuclear-powered shipnorthern hemispherenorth celestial polenonreligious personnon-christian priestneurotic depressionnervous prostrationn-type semiconductormyosotis scorpiodesmusculus pectoralismusculophrenic veinmultiple regressionmountain spleenwortmontia lamprospermamissouri compromisemilitary censorshipmicroscopic anatomymicroprocessor chipmetaphosphoric acidmelospiza georgianamammillaria plumosamacrozamia spiralismacroscopic anatomylycopodium obscurumlupinus subcarnosuslip synchronizationlip synchronisationlimnocryptes minimaligustrum japonicumlibyan islamic groupleptopteris superbaleaning tower of pisalazzaro spallanzanilate-spring-bloominglaportea canadensiskurdistan labor parykorsakov's psychosiskingdom protoctistajudicial separationjudgment in personamjuan carlos i of spainjohn joseph pershingjohn birks gillespiejatropha stimulosusjames francis thorpeisopyrum biternatumipomoea orizabensisinteragency supportinorganic phosphateinformer's privilegeinflationary spiralindirect expressionidiopathic disorderidiographic sciencehypsiglena torquatahypophosphoric acidhyperfocal distancehynerpeton bassettihydropower industryhorseshoe whipsnakehesperis matronalisharold hirschsprunghalocarpus bidwilligregorian telescopegreat saphenous veingradable oppositiongigacycle per secondgenus zinjanthropusgenus stephanomeriagenus scolopendriumgenus schizophragmagenus pseudowinteragenus pleurothallisgenus pleurobrachiagenus paracheirodongenus micropogoniasgenus microdipodopsgenus gomphotheriumgenus gasterophilusgenus dicranopterisgenus cnemidophorusgenus chirocephalusgenus cercopithecusgenus centropristisgenus cardiospermumgenus argyroxiphiumgenus actiniopterisgenital personalitygastroepiploic veinflowering raspberryfirst battle of ypresfinno-ugric-speakingfavourable positionfamily rhiptoglossafamily relationshipfamily nephropsidaefamily ceratopsidaeexclusion principleeuropean wolf spidereuropean spider crabeucalyptus coriaceaerigeron pulchelluseptesicus serotinusepistle to the romansepacris obtusifoliaenglish hippocrateselectron microscopyelaeocarpus grandiseichhornia spesiosaeastern roman empiredynamic loudspeakerdryopteris goldianadryopteris fragransdryopteris filix-masdryopteris dilatatadorsal scapular veindoctor of philosophydivision rhodophytadesmodium purpureumdepressive disorderdental orthopaedicsdeflationary spiraldeep supporting firecystopteris montanacystophora cristatacupressus govenianacupressus arizonicacryptotermes breviscryptogramma crispacriminal possessioncreeping wood sorrelcrataegus apiifoliacoryphaena hippuruscorticospinal tractcorporal punishmentcoreopsis tinctoriacoptis groenlandicacontopus sordiduluscontinuing trespassconsumer price indexcomputer simulationcompound microscopecomplex prepositioncompetitor analysiscompatible softwarecommon lady's-slippercoluber hippocrepiscolaptes chrysoidescnemidophorus veloxclinical depressionclass coniferopsidachrysolophus pictuschinese parasol treecharles william postcerebrospinal fluidcapital of singaporecapital of san marinocapital of costa ricacalifornia allspicebursera microphyllabrush-tail porcupinebronchoscopic smearbritish labour partybreech presentationblissus leucopterusbinge-purge syndromebidens trichospermabastardy proceedingbarometric pressureaustrotaxus spicataassociate professorassistant professorarches national parkapothecaries' weightanoa depressicornisanamnestic responsealveolar resorptionalsophila pometariaallium ampeloprasumaleksandr pavlovichagitated depressionaegilops triuncalisadlerian psychologyacoustic projectionacoustic absorptionabsorption spectrum
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