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

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There are 138 18 letter words, 479 18 letter phrases and 0 18 letter abbr's with O,P,S,I,A in.

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

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Words (138)
disproportionatelyoversimplificationsociopsychologicaloverrepresentationpsychopathologicalhyperaldosteronismpaleoclimatologistneuropsychologicalunprofitablenessesultrasophisticatedultramicroscopicaltriskaidekaphobiastransportabilitiesthermoplasticitiestachistoscopicallysupranationalitiessupersophisticatedsupercivilizationssuperadministratorsubmicroscopicallystereospecificallystereophotographicsphygmomanometriesspectroheliographyspectroheliographssemiprofessionallyrepresentationallyrehospitalizationsrechromatographiesquasiperiodicitiespsychopathologistspsychobiographicalpsychoanalyticallyprovincializationspropagandisticallypronounceabilitiespraiseworthinessespostpsychoanalyticpostmillennialistspostmillennialismspostmillenarianismpolyesterificationpolyacrylonitrilesphysiopathologicalphotosyntheticallyphotosensitizationphotoreactivationsphotomicrographiesphotolithographiesphotodissociationsphotodisintegratesphotodisintegratedphosphodiesterasespertinaciousnessespathophysiologicalparticularizationspaleoclimatologiesoverspecializationoveroptimisticallyoverextrapolationsoscillographicallyorthopsychiatristsopinionativenessesnonrepresentativesnoncooperationistsnoncomparabilitiesnonanthropologistsneuropsychiatristsmisrepresentationsmisinterpretationsmicroradiographiesmicrophotographiesmicrophotographersmicromanipulationsmicroencapsulationmicroencapsulatingmacrophotographieslymphangiographieslumpenproletariatslipopolysaccharideirreproachablenessinterrelationshipsinteroperabilitiesinhospitablenessesinauspiciousnessesimpersonalizationsimmunosuppressantsimmunoprecipitatesimmunopathologistshyposensitizationshypersensitizationhyperrationalitieshyperpolarizationshyperpigmentationshypernationalistichyperimmunizationshyperalimentationshydroxytryptamineshistophysiologicalhemoglobinopathiesgranulocytopoiesisgranulocytopoiesesexceptionabilitiesevapotranspirationepithelializationselectromyographiesechocardiographiesechocardiographersdisputatiousnessesdisproportionationdisproportionatingdiphenylhydantoinsdextroamphetaminesdephosphorylationsdepersonalizationscounteradaptationsconceptualizationscompartmentalisingcompanionabilitiesclaustrophobicallybiocompatibilitiesbacteriorhodopsinsaustralopithecinesastrophotographiesspectrographicallypteridospermopsidapteridospermaphytapsychotherapeuticsplasmodiophoraceaeovercapitalisationorder-chenopodialesnonprognosticativeneurophysiologicalmucopolysaccharidelaryngopharyngitishypoparathyroidismhypercholesteremiahistocompatibility
Phrases (479)
upton beall sinclairtranslating programtangible possessionsuborder anisopterasolidago spathulatasexual reproductionsetophaga ruticillasamolus parviflorusrespiratory illnessrepublic of surinamerepublic of sloveniarepublic of maldivesrepublic of hondurasproposal of marriageprofessional golferprofessional boxingprince-of-wales plumeposterior pituitarypooecetes gramineuspolitical dissidentpolish monetary unitpolianthes tuberosapoisonous substanceplanning commissionpiano transcriptionphysiological statephysical phenomenonphysical attractionparkinson's syndromeostrya carpinifoliaorder sauropterygiaorder sarcosporidiaorder passeriformesnicolaus copernicusnewspaper columnistnational censorshipmusical performancemusical compositionmusculus temporalismusculospiral nervemorchella crassipesmeleagris gallopavomeconopsis cambricamaterial possessionmagnoliopsid familylepomis macrochirushypostasis of christhouses of parliamenthousehold applianceheat of vaporisationhealth professionalgossypium herbaceumgeophysical sciencegenus melopsittacusgenus dimorphothecagallinula chloropusfreudian psychologyfrancis ford coppolafamily scorpaenidaefamily scolopacidaeexpressed almond oilerinaceus europaeuselectronics companydivision anthophytadisreputable persondisagreeable persondiplomatic ministercompression bandagecollapsible shelterclass magnoliopsidaclass hyalospongiaechristopher marlowechemical operationscerebrospinal fevercause to be perceivedcapital of wisconsincapital of tennesseecapital of swazilandcapital of new jerseycapital of minnesotacapital of louisianacapital of indonesiacapital of australiabanana passion fruitartocarpus communisartistic productionapodemus sylvaticusantispasmodic agentantipsychotic agentantineoplastic drugamphibious aircraftamlodipine besylateamaranthus spinosusalpinia officinalisagropyron cristatumacoustic gramophoneyellow lady's slipperwynnea sparassoideswrit of habeas corpuswinter olympic gameswestern roman empirewest indian smallpoxvespula maculifronsvena supraorbitalisvascular prosthesisvascular hemophiliavaledictory speakervaccinium scopariumupper carboniferousupholstery materialunspoken accusationunipolar depressionumbelliferous planttussock caterpillartropical rain foresttrogium pulsatoriumtrisodium phosphatetragelaphus buxtonitopical anaesthetictopical anaesthesiatop fermenting yeasttime deposit accountthujopsis dolobratathreshold operationthird battle of ypresthermoplastic resinthamnophis sirtalisthamnophis sauritusthamnophis proximustextual scholarshipsynaptomys borealissymplocus tinctoriasymphoricarpos albasweet-potato ring rotsuspended animationsupratrochlear veinsupra expressionismsupervisory programsuperior labial veinsuperfamily apoideasuperannuation fundsuborder pinnipediasuborder lipotyphlasuborder ceratopsiasubgenus calliopsissubclass actinopodastriped button quailstreptopelia turturstictopelia cuneatasteganopus tricolorspotsylvania countysphenoidal fontanelsphenoid fontanellespanish oyster plantspanish inquisitionspace-time continuumsouth celestial polesodium thiosulphatesocial anthropologysmoking compartmentsilver-leaved poplarshort saphenous veinsexual relationshipsex-change operationsensory deprivationscopolia carniolicascolymus hispanicussciaenops ocellatussaxifraga hypnoidessarcophilus hariisisarcophaga carnariasaratoga spittlebugsao tome and principesample distributionsalicornia europaeasailor's breastplatesacrifice operationrocky mountain sheepretarded depressionrespiratory diseaserepublic of the sudanrepublic of botswanareal-time processingreactive depressionreaction propulsionquadriphonic systemquadraphonic systempyrrhuloxia sinuatapyrophosphoric acidpyorrhea alveolarispylodictus olivarispus-forming bacteriapublius ovidius nasopublic relations manpublic presentationpterocarpus indicuspsychotria capensispsychological statepsoriatic arthritispseudotaxus chieniiprunus angustifoliaprumnopitys elegansprospero lambertiniprosopis juliifloraprosopis glandulosapropositional logicproportional samplepromotional expenseprofessional tennisprofessional personprofessional dancerprocyon cancrivorusprionotus carolinusprince-of-wales'-heathprince of wales heathpresident john adamsprairie golden asterpower-station workerpotos caudivolvuluspotentilla anserinapotato scab bacteriapotassium hydroxidepotassium carbonatepotamogeton crispuspositive chemotaxispositional notationportal hypertensionpopulus trichocarpapopulus balsamiferaponcirus trifoliatapomatomus saltatrixpolystichum brauniipolyphosphoric acidpolitical scientistpolitical commissarpolice headquarterspoinciana gilliesiipoephila castanotispneumogastric nerveplatanus orientalisplatanus acerifoliaplains pocket gopherplains lemon monardapinus californiarumpine-barren sandwortpimenta officinalispierre-simon laplacephyllostachys nigraphragmites communisphonological systemphasianus colchicusphaseolus coccineusphaseolus angularispezophaps solitariapersonal credit lineperiodontal diseasepeperomia sandersiipedilanthus pavonispediculosis capitispedestrian crossingpaul bustill robesonparochetus communisparkinsonia floridaparathion poisoningparascalops breweriparallel processingpaprilus alepidotuspancreatic fibrosispanax quinquefoliuspanax pseudoginsengpalestine authoritypalace of versaillesoxytropis lambertiiornithopod dinosaurorder stegocephaliaorder psilophytalesorder polymastiginaorder plumbaginalesorder plantaginalesorder mycrosporidiaorder haplosporidiaorder haemosporidiaorder aspergillalesopisthocomus hoazinoperations researchoperating statementomphalotus illudensnuclear-powered shipnorth celestial polenon-christian priestnewtonian telescopenervous prostrationnemophila menziesiimusculus pectoralismultiplication signmountain spleenwortmontia lamprospermamilitary censorshipmicroscopic anatomymexican pocket mousemetaphosphoric acidmelospiza georgianameadow jumping mousemammillaria plumosamalathion poisoningmagneto-optical discmacrozamia spiralismacroscopic anatomylupinus subcarnosuslobelia siphiliticalip synchronizationlip synchronisationlimnocryptes minimaligustrum japonicumlibyan islamic groupleptopteris superbalepiota cepaestipesleaning tower of pisalazzaro spallanzanilate-spring-bloominglaportea canadensiskurdistan labor parykorsakov's psychosiskingdom protoctistajudicial separationjudgment in personamjuan carlos i of spainjoseph paul dimaggiojatropha stimulosusjapanese poinsettiajames francis thorpejacksonian epilepsyisopyrum biternatumipomoea orizabensisinteragency supportinorganic phosphateinflationary spiralidiopathic disorderidiographic sciencehypsiglena torquatahypoplastic anaemiahypophosphoric acidhyperfocal distancehynerpeton bassettihorseshoe whipsnakehomo sapiens sapienshesperis matronalishedeoma pulegioidesharold hirschsprunghaplopappus acaulishalocarpus bidwilligymnadenia conopseaguadalupe mountainsgregorian telescopegreat saphenous veingradable oppositiongigacycle per secondgenus zinjanthropusgenus stephanomeriagenus septobasidiumgenus schizophragmagenus schizopetalongenus pseudowinteragenus poecilocapsusgenus pleurothallisgenus pleurobrachiagenus platypoecilusgenus paracheirodongenus paphiopedilumgenus micropogoniasgenus lepidothamnusgenus gasterophilusgenus dicranopterisgenus chirocephalusgenus cardiospermumgenus argyroxiphiumgenus actiniopterisgenital personalitygastroepiploic veinflowering raspberryfirst battle of ypresfinno-ugric-speakingfavourable positionfausto paolo sozzinifamily symplocaceaefamily rhiptoglossafamily relationshipfamily plasmodiidaefamily nephropsidaefamily musophagidaefamily ceratopsidaeeuropean wolf spidereuropean spider crabeucalyptus coriaceaepistle to the romansepacris obtusifoliaenglish hippocrateselaeocarpus grandiseichhornia spesiosaeastern roman empiredynamic loudspeakerdryopteris goldianadryopteris fragransdryopteris filix-masdryopteris dilatatadorsal scapular veindivision rhodophytadivision phaeophytadivision cyanophytadicamptodon ensatusdental orthopaedicsdeflationary spiraldavidson's penstemoncystopteris montanacystophora cristatacyclopes didactyluscupressus govenianacupressus arizonicacryptogramma crispacriminal possessioncrataegus apiifoliacoryphaena hippuruscorticospinal tractcorporal punishmentcoreopsis tinctoriacoptis groenlandicacontinuing trespasscomputer simulationcompetitor analysiscompatible softwarecompassionate leavecommon lady's-slippercolaptes chrysoidesclinical psychologyclinical depressionclianthus speciosusclaudius ptolemaeusclassical philologyclass hepaticopsidaclass ginkgophytinaclass coniferopsidacholoepus hoffmannichinese parasol treecharles william postchaenopsis ocellatacerebrospinal fluidcapital of singaporecapital of san marinocapital of costa ricacalifornia allspicebursera microphyllabrush-tail porcupinebronchoscopic smearbritish labour partybreech presentationbidens trichospermabastardy proceedingbarometric pressureaustrotaxus spicataassociative aphasiaassociate professorassistant professorarches national parkapothecaries' weightanoa depressicornisanamnestic responsealveolar resorptionalsophila pometariaallium ampeloprasumalice-josephine ponsaleksandr pavlovichagitated depressionagelaius phoeniceusaegilops triuncalisadlerian psychologyacoustic projectionacoustic phenomenonacoustic absorptionabsorption spectrum
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