18-Letter Words Containing: R,I,S,P
(In Any Order)
There are 173 18 letter words,
609 18 letter phrases and
0 18 letter abbr's with
R,I,S,P in.
Best Scoring 18 Letter Words With: R,I,S,P
| Expand? | Word | Save? | Length | Usage | Points | Type | |
|---|---|---|---|---|---|---|---|
We couldn't find any valid Scrabble US words with a length of 18. Try changing the version of the game.
Tip: Scrabble EU allows far more words than US! | |||||||
All 18 Letter Words
Words (173)
disproportionatelyoversimplificationspectrophotometricoverrepresentationhyperaldosteronismneuropsychologicalunresponsivenessesunprofitablenessesunprinciplednessesunpredictabilitiesuncompromisingnessultrasophisticatedultramicroscopicaltriskaidekaphobiastransportabilitiesthrombophlebitidesthermoplasticitiessupranationalitiessupersophisticatedsupersensitivitiessuperminicomputerssuperintelligencessuperintellectualssupercivilizationssuperciliousnessessuperadministratorsubmicroscopicallystereospecificallystereophotographicsphygmomanometriesspectrohelioscopesspectroheliographyspectroheliographsspectrofluorimetersoporiferousnessessemiprofessionallysemipermeabilitiesribonucleoproteinsrepresentativitiesrepresentativenessrepresentationallyreprehensibilitiesrehospitalizationsrechromatographiesquasiperiodicitiespsychobiographicalpseudotuberculosisprovincializationspropagandisticallypronounceabilitiespremillenarianismspredestinarianismspraiseworthinessespostmillenarianismpolyesterificationpolyacrylonitrilespiezoelectricitiesphotoreproductionsphotoreactivationsphotomorphogenesisphotomicrographiesphotolithographiesphotodisintegratesphotodisintegratedphosphodiesterasespertinaciousnessesperpendicularitiesparticularizationsoverspecializationoverprotectivenessoveroptimisticallyoverextrapolationsoscillographicallyorthopsychiatristsnonrepresentativesnoncooperationistsnoncomparabilitiesnonanthropologistsneuropsychologistsneuropsychiatristsneurophysiologistsmisrepresentationsmisinterpretationsmicroreproductionsmicroradiographiesmicrophotographiesmicrophotographersmicromanipulationsmicrolepidopterousmicroencapsulationmicroencapsulatingmethylprednisolonemacrophotographieslymphangiographieslumpenproletariatslipopolysaccharidelepidopterologistsirresponsivenessesirresponsibilitiesirreproachablenessirrepressibilitiesirreplaceabilitiesintrospectionisticinterrelationshipsinterpretabilitiesinteroperabilitiesinexpressivenessesinexpressibilitiesincorruptibilitiesinappreciativenessimpracticabilitiesimperturbabilitiesimpersonalizationsimpermissibilitiesimperishablenessesimperceptivenessesimmunosuppressionsimmunosuppressantsimmunoprecipitateshypersensitizationhypersensitivitieshypersensitivenesshyperrationalitieshyperpolarizationshyperpigmentationshypernationalistichyperimmunizationshyperconsciousnesshyperalimentationshydroxytryptamineshandcraftsmanshipsgranulocytopoiesisgranulocytopoiesesexpressionlessnessevapotranspirationentrepreneurialismelectrophysiologicelectrophilicitieselectromyographieselectrodepositionsechocardiographiesechocardiographersdisreputablenessesdisproportionationdisproportionatingdextroamphetaminesdephosphorylationsdepersonalizationscounteradaptationscomprehensiblenesscompartmentalisingclaustrophobicallybacteriorhodopsinsaustralopithecinesastrophotographiesapprehensivenessesappreciativenessestriphosphopyridinespectrographicallypteridospermopsidapteridospermaphytapsychotherapeuticsplasmodiophoraceaeovercapitalisationorder-chenopodialesnonprognosticativenoncomprehensivelyneurophysiologicalmucopolysaccharidelaryngopharyngitishypoparathyroidismhypercholesteremiaglomerulonephritisPhrases (609)
worldly possessionswilliam shakespearewhispering campaignupton beall sinclairunconscious processtranslating programthird epistle of johnthird epistel of johntelevision reportersupervisory routinesuperiority complexsuborder anisopteraspatial arrangementspanish-american warsir peter paul rubenssir 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 jeffersonpresident clevelandposterior pituitarypositive reinforcerportuguese republicpopulus tremuloidespooecetes gramineuspolish monetary unitpolianthes tuberosapiano transcriptionphysical attractionpen-tailed tree shrewparnassia palustrisparkinson's syndromeparainfluenza virusp-type semiconductorostrya carpinifoliaorder sauropterygiaorder sarcosporidiaorder passeriformesnicolaus copernicusnewspaper columnistneuropterous insectnephrops norvegicusnational censorshipmusical performancemusculus temporalismusculospiral nervemorchella crassipesmeleagris gallopavomeconopsis cambricamaterial possessionlimenitis archippuslepomis macrochiruskilocycle per secondjean baptiste racineinfantile paralysisimperfective aspecthypostasis of christhypertonic solutionhouses of parliamentherpestes ichneumonheat of vaporisationhealth professionalgossypium herbaceumgenus dimorphothecagallinula chloropusfreudian psychologyfrancis ford coppolafirst epistle of johnfamily spirillaceaefamily sphyraenidaefamily scorpaenidaefamily physeteridaefamily asparagaceaeexpressed almond oilerinaceus europaeuselectronics companyelectron microscopedisreputable persondisagreeable persondipsacus sylvestrisdiplomatic ministercompression bandagecollapsible shelterchristopher marlowechemical operationscerebrospinal fevercerebral hemispherecause to be perceivedcapital of new jerseycapital of australiabusiness enterprisebusiness departmentbanana passion fruitbaccharis pilularisaspalathus linearisartocarpus communisartistic productionantirrhinum filipesantineoplastic drugamphibious aircraftamerican pulsatillaamaranthus spinosusagropyron cristatumacoustic gramophoneacer pennsylvanicumzero-coupon securityyellow lady's slipperxyphophorus helleriwynnea sparassoideswrit of habeas corpuswireless telegraphywinter olympic gameswilderness campaignwestern roman empirewestern prince's pinevirginia serpentaryviperine grass snakevespula maculifronsvespertilio murinusvena supraorbitalisvena intercapitalisvena appendicularisvascular 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 scholarshiptarquinius superbussyrian arab republicsynaptomys borealissymplocus tinctoriasymphoricarpos albasweet-potato ring rotsurgical vacuum pumpsupratrochlear veinsupra expressionismsupervisory programsupernatural virtuesuperior labial veinsuperior colliculussuperhigh frequencysuperfamily apoideasuperannuation fundsuborder pinnipediasuborder lipotyphlasuborder ceratopsiasubmersible warshipsubclass cirripediasubclass amphineurastriped button quailstreptopelia turturstratified samplingstereoscopic visionstereophonic systemsterculia rupestrissteganopus tricolorst. christopher-nevissporobolus poiretiispirit of turpentinespiranthes spiralisspheniscus demersusspartina pectinmatasparmannia africanaspanish oyster plantsouthern yellow pinesouthern hemispheresodium hypochloritesocial anthropologysnowdrop windflowersmoking compartmentslip friction clutchskin perceptivenesssir humphrey gilbertsingle-furrow ploughsilver-leaved poplarshort saphenous veinshirley temple blacksexual relationshipsex-change operationsensory deprivationsecurity departmentscopolia carniolicasaxifraga hypnoidessarracenia purpureasarcophilus hariisisarcophaga carnariasaratoga spittlebugsapindus marginatussao tome and principesample distributionsalicornia europaeasaints peter and paulsailor's breastplatesacrifice operationsabbatia campestrisrocky mountain sheepring-necked pheasantrhizopus stoloniferretarded depressionrespiratory diseaserepulsorlift enginerepublic of the sudanrepublic of botswanareproductive systemred-backed sandpiperreal-time processingreactive depressionreaction propulsionquercus chrysolepisquadriphonic systemquadraphonic systempyrrhuloxia sinuatapyrophosphoric acidpyorrhea alveolarispylodictus olivarispus-forming bacteriapurple-hooded orchispurple virgin's bowerpupillary sphincterpulse timing circuitpulsatilla vulgarispublic relations manpublic presentationpterocarpus indicuspsychotria capensispsoriatic arthritispsocopterous insectpsittacus erithacusprunus pensylvanicaprunus angustifoliaprumnopitys elegansprospero lambertiniprosopis juliifloraprosopis glandulosaprosecuting officerpropositional logicproportional samplepromotional expenseprofessional tennisprofessional personprofessional dancerprocyon cancrivorusprocursive epilepsyprionotus carolinusprince-of-wales'-heathprince of wales heathprince edward islandprevailing westerlypresident rooseveltpresident john adamspresent progressivepresbyterian churchprehistoric cultureprairie rattlesnakeprairie golden asterpower-station workerpotentilla anserinapotato scab bacteriapotassium hydroxidepotassium carbonatepotamogeton crispusportal hypertensionporcupine provisionpopulus trichocarpapopulus balsamiferaponcirus trifoliatapomatomus saltatrixpolystichum brauniipolypodium scouleripolyphosphoric acidpolitical commissarpolice headquarterspolice commissionerpodiceps ruficollispneumogastric nerveplumed scorpionfishplexus mesentericusplatanus orientalisplatanus acerifoliaplains pocket gopherplains lemon monardapinus californiarumpinnotheres ostreumpine-barren sandwortpierre-simon laplacephyllostachys nigraphragmites communisphilaenus spumariusphaseolus angularispezophaps solitariapetroleum geologistpetersburg campaignperuvian mastic treepersonal credit linepersian gulf illnessperpendicular styleperomyscus eremicusperiodontal diseaseperiarterial plexuspeperomia sandersiipenstemon rydbergiipenstemon newberryipennisetum ruppeliipeninsular malaysiapembroke welsh corgipedestrian crossingpaul bustill robesonparochetus communisparnassia fimbriataparkinsonia floridaparathion poisoningparascalops breweriparanthias furciferparallel 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 priestnierembergia repensnewspaper publisherneurotic depressionnervous prostrationn-type semiconductormyrica pensylvanicamyosotis 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 canadensislandscape gardeninglandscape architectkurdistan labor parykorsakov's psychosiskingdom protoctistaking charles spanieljumping bristletailjudicial separationjudgment in personamjuan carlos i of spainjohn joseph pershingjohn birks gillespiejatropha stimulosusjames francis thorpejames edmund scrippsisopyrum biternatumipomoea orizabensisinterplanetary dustintergalactic spaceinteragency supportinorganic phosphateinformer's privilegeinflationary spiralindirect expressionilex paraguariensisidiopathic disorderidiographic scienceictalurus punctatushypsiglena torquatahypophosphoric acidhyperfocal distancehynerpeton bassettihydropower industryhorseshoe whipsnakehexalectris spicatahesperis matronalisherpes simplex virusherpes encephalitisharold hirschsprungharald hirschsprunghalocarpus bidwilligymnastic apparatusgregorian telescopegreat saphenous veingradable oppositiongigacycle per secondgiant red paintbrushgenus zinjanthropusgenus stephanomeriagenus scolopendriumgenus schizophragmagenus pseudowinteragenus pleurothallisgenus pleurobrachiagenus phragmipediumgenus paracheirodongenus micropogoniasgenus microdipodopsgenus hemitripterusgenus gomphotheriumgenus gasterophilusgenus dicranopterisgenus cnemidophorusgenus chirocephalusgenus chamaecyparisgenus cercopithecusgenus centropristisgenus cardiospermumgenus argyroxiphiumgenus actiniopterisgenital personalitygastroepiploic veinflowering raspberryflat tip screwdriverfissurella aperturafirst battle of ypresfinno-ugric-speakingferdinand de lessepsfavourable positionfamily sphaeriaceaefamily rhiptoglossafamily relationshipfamily ramphastidaefamily nephropsidaefamily erysiphaceaefamily cupressaceaefamily ceratopsidaeexpress luxury linerexclusion principleeuropean wolf spidereuropean spider crabeucalyptus coriaceaerigeron pulchelluseptesicus serotinusepistle to the romansepidural anesthesiaepidendrum tampenseepacris obtusifoliaenglish hippocrateselectron microscopyelaeocarpus grandiseichhornia spesiosaeastern roman empiredynamic loudspeakerdryopteris goldianadryopteris fragransdryopteris filix-masdryopteris dilatatadorsal scapular veindoctor of philosophydivision rhodophytadispersed particlesdesmodium purpureumdescurainia pinnatadescriptive grammardepressive disorderdental orthopaedicsdeflationary spiraldeep supporting firedaisyleaf grape ferncystopteris montanacystophora cristatacustard-apple familycupressus 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 treechelydra serpentinacheiranthus asperuscharles william postcerebrospinal fluidcerapteryx graminiscardamine pratensiscapsicum frutescenscapparis mitchelliicapital of singaporecapital of san marinocapital of costa ricacalifornia allspicebursera microphyllabrush-tail porcupinebronchoscopic smearbritish labour partybristly sarsparillabreech presentationbreathing apparatusbrassica perviridisblissus leucopterusbinge-purge syndromebidens trichospermabastardy proceedingbarometric pressurebarbecued spareribsaustrotaxus spicataauriparus flavicepsatrial septal defectassociate professorassistant professoraspidelaps lubricusasclepias incarnataarteria epigastricaarisaema triphyllumarches national parkapothecaries' weightantidepressant drugantarctic peninsulaanoa depressicornisanamnestic responsealveolar resorptionalsophila pometariaalnus veridis crispaallium ampeloprasumaleksandr pavlovichagitated depressionagaricus campestrisaegilops triuncalisadlerian psychologyacoustic projectionacoustic absorptionabsorption spectrum
