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15-Letter Words Containing: O,P,O,I

 (In Any Order)
There are 780 15 letter words, 312 15 letter phrases and 0 15 letter abbr's with O,P,O,I in.

Best Scoring 15 Letter Words With: O,P,O,I

Expand?WordSave?LengthUsagePointsType
psychobiography15
36 nounn
Valid word for Scrabble US
photosynthesize15
35 verbv
verb

• To synthesize carbohydrates from carbon dioxide and water using the energy of light by photosynthesis

extemporization15
35 nounn
noun

• a performance given extempore without planning or preparation

phosphatization15
34 nounn
Valid word for Scrabble US
hydroxyprolines15
34 nounn
noun

• a crystalline amino acid obtained from gelatin or collagen

chlorpromazines15
33 noun, adjectiven, adj
noun

• a drug (trade name Thorazine) derived from phenothiazine that has antipsychotic effects and is used as a sedative and tranquilizer

zoogeographical15
33 adjectiveadj
Valid word for Scrabble US
adenohypophysis15
32 nounn
noun

• the anterior lobe of the pituitary body; primarily glandular in nature

polymorphically15
32 adverb, adjectiveadv, adj
Valid word for Scrabble US
phytotoxicities15
32 nounn
Valid word for Scrabble US
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All 15 Letter Words

Words (780)
psychologicallyprofessionalismophthalmologistpersonificationhospitalizationphotojournalistphysiologicallyphilosophicallyprognosticationanthropologicalprocrastinationelectrophoresisdolichocephalicpharmacologicalimprovisationalphotojournalismanthropomorphicsuppositionallypsychobiologistnonprofessionalsuperimpositionproportionatelymicroscopicallypalaeontologisthospitalisationcardiopulmonaryneurophysiologyinconspicuouslycompassionatelyphotosynthesizephotomultipliermicrophotographreapportionmentproportionalitypostoperativelyhypochondriacalgynandromorphiccomputerizationchloramphenicolincomprehensionepidemiologicalcorrespondinglyprognosticatingepistemologicalpromiscuousnessprognosticativeprofessionalizephosphocreatinenonprescriptionneurohypophysisinopportunenessextemporizationextemporisationdisproportionalcooperativenessconnoisseurshipchromatographicbiogeographicaladenohypophysisweatherproofinguncompromisabletrypanosomiasistranspositionalthromboplastinsreincorporatingradioautographypsychotomimeticpsychohistorianprotozoologistsproselytizationprognosticatorspresuppositionspreprofessionalpredispositionsposthemorrhagicpostapocalypticpolymerisationspoliomyelitidesphytopathogenicphotosensitizedphotoperiodismsphotoengravingsphotoduplicatedphosphatizationpersonalizationparasitologistsoverconsumptionovercomplicatesovercomplicatedoperationalistsnonprofessorialnonmetropolitannonimportationsnonexploitationnoncompressiblemicroprocessorsintrospectionalimprovisatorialhypercorrectionhistoriographicexponentiationsepitheliomatousepistemologistsdisproportioneddisapprobationsdecompensationscorticotrophinscompositionallycompendiousnesschlorpromazinesautotrophicallyautotetraploidyautoradiographsautobiographersantimonopolistsanthroposophiesanthropometriesallotetraploidsuncompassionateradioprotectionphotoconductiveconspicuousnessanthropocentriczoogeographicalunprofessionalstrypanosomiasestransportationsthermoperiodismsymptomatologicsuperovulationssupererogationssubprofessionalsuboptimizationsporangiophoresspectroscopistssophisticationssigmoidoscopiessemipornographysaponificationsretroperitonealrepolarizationsrephotographingreincorporationradiotelephonesradioprotectiveradioautographspsychoneuroticspsychohistoriespsychobiologiespsychobiographypsychoacousticspseudoscorpionspseudomorphismsprovocativenessprotoporphyrinsprotohistoriansproteolyticallyprosthodontistsprostatectomiesprosopographiesproprioceptionsproprietorshipsproportionatingpronunciationalpronunciamentospromotivenessespromotabilitiesprohibitionistsprocrastinatorsprioritizationspreponderationsprenotificationpremodificationpreformationistpreconditioningpostvaccinationposttransfusionpoststimulatorypoststimulationpostproductionspostpollinationpostirradiationpostinoculationpostdevaluationpopularizationspolynucleotidespolymorphicallypolymerizationspoliticizationspneumonectomiespinocytoticallyphytotoxicitiesphytoplanktonicphytogeographicphysiopathologyphototropicallyphototoxicitiesphototacticallyphotosensitizesphotosensitizerphotoreductionsphotoreceptionsphotoproductionphotooxidationsphotoionizationphotoinductionsphotogrammetricphotogeologistsphotogeologicalphotofinishingsphotoexcitationphotoelectronicphotoduplicatesphotodissociatephotochemicallyphotobiologistsphotobiologicalphosphorylativephosphorylationphosphorylatingphosphoproteinsphonogramicallyphonocardiogramphilanthropoidsphenomenologistphenomenologiesphenobarbitonespharmacologistspharmacognosticpharmacognosiespentobarbitonespathophysiologyparasitologicalpalynologicallypaleozoologistspaleozoologicalpaleontologistspaleogeographicpaleoecologistspaleoecologicalpaleobiologistspaleobiologicalovoviviparouslyoverspeculationoverprotectionsoverproportionsoverprogrammingoverproductionsoverpopulationsoverpersuasionsoveropinionatedoverexpectationovercompressingovercompliancesoverapplicationoutdoorsmanshiposteopathicallyoscillographiesorthopsychiatryoptoelectronicsopprobriousnessopinionatednessophthalmoscopicophthalmologiesoperationalismsomnicompetencesoceanographicalnonsaponifiablenonreproductivenonphotographicnonphilosophersnonoccupationalnonmetaphoricalnonimplicationsnonhospitalizednonexploitativenoncooperationsnonconsumptionsnoncomputerizednonbiographicalnincompooperiesneuropathologicmultiprocessorsmonospecificitymonopolizationsmiscomputationsmicrosporocytesmicroradiographmicropulsationsmicroprojectorsmicroprojectionmicroporositiesmicrophotometrymicromorphologymicrobarographsmegacorporationlyophilizationslogographicallyjuxtapositionalionosphericallyintrapopulationinterpopulationintercomparisonhypothyroidismshypochondriaseshyperproductionhyperinvolutionhydroxyprolineshomeopathicallyholographicallyhistophysiologyhistopathologicheteromorphismshematoporphyringeostrophicallygeomorphologistgeomorphologieseutrophicationserythropoietinsepizootiologiesepidemiologistsepichlorohydrinenantiomorphouselectrodepositsecophysiologiesdepolarizationsdecomposabilitycryptozoologistcryptozoologiescryptosporidiumcounterpointingcounterplottingcounterpetitioncouncillorshipscosmopolitanismcooperationistscontrollershipscontrapositivescontrapositionsconservatorshipcomputerphobiascompassionatingclaustrophobiaschronotherapieschlorpropamideschemoreceptionsbronchoscopistsblaxploitationsbipolarizationsautotetraploidsautobiographiesapolipoproteinsantipornographyanthropophagiesanthropologistsallotetraploidyallelomorphismsachondroplasiasxeroradiographyunderproductionultramicroscopetopographicallyprepositionallypleuropneumoniaphotomicrographphotometricallyphotomechanicalphotolithographpaleontologicalmorphophonemicsmorphologicallymicrosporophyllmicrosporangiummicrophotometermacroscopicallylepidopterologyimmunopathologyimmunocompetenthypostatizationhypochondriasishistoriographerenantiomorphismelectropositiveelectrophoreticcytophotometriccrossopterygiancontemporaneitycomputationallycomptrollershipcomplementationcholangiographyboustrophedonicautoradiographyanthropopathismanisotropicallyachondroplasticnonreproduciblenonprogressivesnonoverlappingslymphocytosisesanticorruptionszoopsychologieszoophytologistszoophytologicalzoophysiologistzoophysiologiesxylotypographicxenomorphicallyvideotelephonesunproportionateunphilosophicaluncooperativelyuncompanionableunapostolicallyultramicroscopytropicalizationtropicalisationtrinitrophenolstopochemistriesthoracoplastiestheriomorphosistheriomorphosestheriomorphismstheosophisticalsymptomologicalsymphysiotomiessymphyseotomiessymmetrophobiassymbolographiessuppositionlesssuperfoetationssuperconductionsuboptimisationstrephosymboliastomatoplastiessporangiosporessplanchnologiesspironolactonesspheroidizationspheroidisationshowerproofingsscolopendriformscintilloscopesrontgenoscopiesroentgenoscopicrhombporphyriesrepolarisationsradioscopicallyradiophosphorusradiophonicallypyramidologistspyknodysostosispsychosomimeticpseudosolutionspseudoarthrosispsephologicallyprotospathariusprotospathairesprotistologistsprothonotariatsproselytisationpropylitizationpropylitisationproprietoriallypropositionallyproportionmentsproperispomenonpronominalizingpronominalisingprolocutorshipsprojectizationsprojectisationsprohibitionismsprogressionistsprogressionismsprogressionallyprogenitorshipsprofessionalistprocuratorshipsprocrastinatoryprocessionalistprobationershipprobabilioristsprobabiliorismsprioritisationsprenegotiationspreformationismpreconstructionpotentiometriespostulationallyporphyrogenitespopularisationspolychromatismspolychlorinatedpoliticisationspoliomyelitisespoisonousnessespoikilothermismpoikilothermiespococuranteismspneumoconioticspneumatologistspneumatologicalplagiostomatousphrenologicallyphotozincographphototransistorphotosynthesisephotosensitisesphotosensitiserphotosensitisedphotorefractivephotoluminescesphotoluminescedphotoionisationphotoelasticityphotoconductingphosphocreatinsphosphatisationphoneticizationphoneticisationphonemicizationphonemicisationphonautographicphlebosclerosisphilosophastersphenakistoscopepharyngoscopiespharyngologistspharyngologicalpharmacopolistspharmacopoeistspharmacognosistpharmacogenomicpersonalisationperiodontitisesperiodonticallypassifloraceousparoemiographerparaheliotropicparabolizationsparabolisationspalaeozoologistpalaeozoologiespalaeontologiespalaeolimnologypalaeoecologistpalaeoecologiespalaeobotanistspalaeobotanicalpalaeobiologistpalaeobiologiespalaeoanthropicpalaebiologistsovoviviparitiesoverpreparationorthophosphoricornithodelphousornithodelphianorganotherapiesorganographistsorganographicalorchesographiesoptimalizationsoptimalisationsopsonificationsopisthographiesopisthognathismophthalmophobiaoophorectomizesoophorectomizedoophorectomisesoophorectomisedonychocryptosisomoplatoscopiesnonproductivitynonhospitalisednoncomputerisednomographicallyneurocomputingsmyocardiographsmorphinomaniacsmonopolisationsmonophthongizesmonophthongizedmonophthongisesmonophthongisedmonographicallymisproportionedmicropyrometersmicroprocessingmicrocomputingsmicrocomponentsmicroaerophilicmicroaerophilesmetropolitanizemetropolitanismmetropolitanisemetropolitanatemechanomorphismlyophilisationslophobranchiatelipodystrophiesleucocytopeniaslepidodendroidslaryngoscopistsintrosusceptioninopportunitiesimprovvisatoresimposthumationsimmunocomplexesidiomorphicallyhystricomorphichypoventilationhypostasizationhypostasisationhypochondriastshypochondriasmshygroscopicallyhydrotropicallyhouseholdershiphomoplasticallyhomoeomorphismshistocompatibleheterostrophieshepaticologistshepaticologicalheliotropicallyheliosciophytesgramophonicallygoodfellowshipsglossographicalgeomorphogenistgeomorphogeniesgeodemographicsgalvanotropismsgalactopoieticsexplorationistsendocrinopathicencephalotomiesenantiomorphieseleutherophobiceleutherophobiaedriophthalmousebullioscopicaldysmorphophobiadurchkomponiertdisincorporatesdisincorporateddiplomatologiesdiaphototropismdiaphototropiesdiaheliotropismdepolarisationsdehypnotizationdehypnotisationcytopathologiescounsellorshipscorporificationcooperativitiescontemperationsconscriptionistconduplicationscomputerisationcompotationshipcompositenessescolposcopicallycircumpositionschromotherapieschondrophorineschenopodiaceouschemotropicallychemolithotrophchemautotrophiccercopithecoidscephalothoraciccathodographiescaprifoliaceousbronchoscopicalbronchographiesbisphosphonatesbipolarisationsbiopsychologiesbioprospectingsbatrachophobiasautomorphicallyarchpriesthoodsappropinquationapprenticehoodsapheliotropismsanthroposophistanthropopsychicanthropophuismsanthropophobicsanthropophobiasanthropopathiesanthropometristanthropolatriesanthropobiologyaminophenazonesallotriomorphicabsorptiometerstorpediniformestemporalizationsuperordinationspongioblastomaspectroscopicalself-pollinationself-opinionatedrhizopogonaceaeradiotelephonicradiophotographradio-phonographradio-gramophonepycnodysostosisptilonorhynchusprotozoologicalpropionaldehydeproinflammatoryprofessionalisepro-inflammatoryprice-controlledprechlorinationpoitou-charentespoikilothermousphotoheliographphotoelectricalphotoconductionphoenicophoriumpetromyzontidaepaleornithologyorycteropodidaeoppositionalityopisthorchiasisopisthognathousopisthobranchiaophthalmoplegiaophioglossaceaenonpsychoactivenephrosclerosismicrochiropteramacrosporangiumlymphocytopenialeptosporangiumkaleidoscopicalill-proportionedhypovitaminosishypostatisationhypoproteinemiahippoglossoideshepatocarcinomahematocytopeniagymnosporangiumgossipmongeringgomphotheriidaefasciolopsiasiseuropeanizationeuropeanisationelectrophoridaeechocardiographdownward-slopingdermatophytosisdecompositionaldactyloscopidaecyprinodontidaecosmopolitanityconiferophytinaclosed-captionedchloroplatinateceratopogonidaebeta-lipoproteinbalanoposthitisbacteriophagousaspidophoroidesanthropophagiteanthropogeneticanthropogenesisantheridiophoreangiohemophiliaacousticophobia
Phrases (312)
water absorptionugo buoncompagnitincture of opiumsuborder ophidiastonecrop familystable companionsound perceptionsolar prominencesingapore dollarsilicone polymerserial operationsergei prokofievscorpaenoid fishschool principalsaturation pointrescue operationreligious personrelative pronounregius professorreciprocal crossprotective coverpresident hooverpolyphonic prosepolar oppositionpit of the stomachpilomotor reflexpigeon droppingspenetration bombosmotic pressureorder chiropteraoperational cellnon-profit-makingniccolo paganinineotoma fuscipesmatrix operationmalicious gossiplogistic supportlocal post officeloan applicationline one's pocketslepomis gibbosuslagopus scoticusjohn witherspoonironmonger's shopincentive optionhippocratic oathgroup discussiongossip columnistgloriosa superbageologic processgeographic pointgenus rhizophoragenus priodontesgenus ailuropodaemotional persondiospyros ebenumdining companioncoronoid processcompositor's casecomposite numberclass ciliophoracapital of polandcapital of oregoncapital of norwaycapital of mexicocapital of jordanbroomrape familyborrowed capitalbiological groupavoirdupois unitautomatic pistolappointment bookapplication formanti-tnf compoundancestor worshipalto saxophonistaction potentialwilliam thompsonwhite potato vinewhistle-stop tourtwenty-two pistoltropaeolum minustrade protectiontouch perceptiontop fermentationtobacconist shoptallapoosa riversynoptic gospelssweet potato vinesuspension pointsupporting towersupport stockingsuperoxide anionsteel productionstamp collectionspinal nerve rootspike microphonesound projectionsophora sinensissophora japonicasodium-vapor lampsodium phosphatesoapwort gentianslip of the tonguesir joseph paxtonsaxicolous plantrupicolous plantroly-poly puddingrepublic of koreapyrophoric alloypyloric stenosispush-button radiopulse modulationpull in one's hornspsychotic personprotoctist orderprotoctist genusproterozoic aeonprotein moleculeproportional taxpromotion systemprogressive rockproduction orderproboscis monkeyproboscis flowerpride of barbadospresident monroeprecision cookieprairie schoonerpotassium iodideposthumous birthpostfix notationport jackson pineporphyritic rockpopulation shiftpope innocent xiipope innocent iiipope gregory xiiipolyphonic musicpolitical theorypolice constablepolar coordinatepoint of no returnpoint of apoapsispocketbook issueplantation ownerplains spadefootpinus monophyllapinot chardonnaypigeon guillemotpieris protodicephylum phoronidaphosphorous acidpholiota flavidaphase modulationphanerozoic aeonpersonnel officeperpetual motionpenstemon doliuspectoralis minorpectoralis majorpaul vinogradoffpassion of christpartial abortionparochial schoolparabolic mirrorpainted tortoiseorganic compoundorder psilotalesorder piciformesorder opuntialesorder embiopteraoral personalityoptical illusionopportunity costoncidium papilioold-age pensionerokapia johnstonioil of turpentineodontoid processoccipital cortexobservation postnon compos mentisnerita pelorontamultiplier onionmost importantlymoral philosophymonophonic musicmonocarpic plantmonic polynomialminiature poodlemikolaj kopernikmicroscope stagemicroscope slidemetamorphic rockmenopon gallinaemeadow spikemossmartyr operationmajority opinionlogical topologylogic programinglight microscopelepiota rhacodeslegal professionlegal philosophylasiocampid mothkalmia polifoliajumping-off pointjohn philip sousajohn hoyer updikeiron perchlorideipomoea tricoloripomoea purpureaipomoea panurataipomoea coccineaionospheric waveinky-cap mushroomimportant personhypostatic unionhyponitrous acidholy roman empirehoheria populneaheat prostrationgrigori potyokingrigori potemkingioacchino peccigestation periodgerman police doggenus solenopsisgenus rhizopogongenus potamophisgenus polypodiumgenus polybotriagenus polioptilagenus polemoniumgenus pholistomagenus pedionomusgenus ostryopsisgenus oreopterisgenus oligoporusgenus odontaspisgenus nigroporusgenus meconopsisgenus lycopodiumgenus lophosoriagenus hippoboscagenus eriophorumgenus drosophilagenus diplodocusgenus corylopsisgenus conuropsisgenus conopodiumgenus commiphoragenus chlorophisgenus aplodontiafortran compilerezra loomis poundevoked potentialepidemic roseolaeconomic processdyadic operationdrooping juniperdouble pneumoniadollar diplomacydipteryx odoratadipogon lignosusdiplomatic pouchdiplomatic corpsdiospyros kurziidiodora aperturacovert operationcoprinus comatusconsumption weedconic projectioncomputer monitorcompound proteincomposite schoolcomplex fractioncommon spoonbillcommon grape vinecolorado springscollection platecleanup positionchild psychologycauliflower soupcargo helicoptercalifornia poppybuilt-soap powderbromus japonicusbreach of promisebosphorus bridgebook of zephaniahbipolar disorderbinary operationbigtoothed aspenbig-toothed aspenbenzoyl peroxidebarium protoxideautonomic plexusautomatic weaponatomic explosionarundo conspicuaarthropod familyapparent horizonapostolic palaceanionic compoundangular positionalpine goldenrodalpine coltsfootalkali poisoningadolph simon ochsacromial process
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