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

 (In Any Order)
There are 504 15 letter words, 230 15 letter phrases and 0 15 letter abbr's with O,P,I,O,N in.

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

Expand?WordSave?LengthUsagePointsType
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

adenohypophysis15
32 nounn
noun

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

lyophilizations15
32 nounn
noun

• a method of drying food or blood plasma or pharmaceuticals or tissue without destroying their physical structure; material is frozen and then warmed in a vacuum so that the ice sublimes

hypostatization15
32 adverb, nounadv, n
noun

• regarding something abstract as a material thing

hypochondriacal15
31 adjectiveadj
adjective satellite

• suffering from hypochondria

neurohypophysis15
31 nounn
noun

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

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All 15 Letter Words

Words (504)
professionalismpersonificationhospitalizationphotojournalistprognosticationanthropologicalprocrastinationimprovisationalphotojournalismanthropomorphicsuppositionallynonprofessionalsuperimpositionproportionatelypalaeontologisthospitalisationcardiopulmonaryneurophysiologyinconspicuouslycompassionatelyphotosynthesizereapportionmentproportionalityhypochondriacalgynandromorphiccomputerizationchloramphenicolincomprehensioncorrespondinglyprognosticatingpromiscuousnessprognosticativeprofessionalizephosphocreatinenonprescriptionneurohypophysisinopportunenessextemporizationextemporisationdisproportionalcooperativenessconnoisseurshipadenohypophysisweatherproofinguncompromisabletrypanosomiasistranspositionalthromboplastinsreincorporatingpsychohistorianproselytizationprognosticatorspresuppositionspreprofessionalpredispositionspolymerisationsphytopathogenicphotosensitizedphotoengravingsphosphatizationpersonalizationoverconsumptionoperationalistsnonprofessorialnonmetropolitannonimportationsnonexploitationnoncompressibleintrospectionalhypercorrectionexponentiationsdisproportioneddisapprobationsdecompensationscorticotrophinscompositionallycompendiousnesschlorpromazinesantimonopolistsanthroposophiesanthropometriesuncompassionateradioprotectionphotoconductiveconspicuousnessanthropocentricunprofessionalstrypanosomiasestransportationssuperovulationssupererogationssubprofessionalsuboptimizationsporangiophoressophisticationssemipornographysaponificationsretroperitonealrepolarizationsrephotographingreincorporationradiotelephonespsychoneuroticspseudoscorpionsprovocativenessprotoporphyrinsprotohistoriansprosthodontistsproprioceptionsproportionatingpronunciationalpronunciamentospromotivenessesprohibitionistsprocrastinatorsprioritizationspreponderationsprenotificationpremodificationpreformationistpreconditioningpostvaccinationposttransfusionpoststimulationpostproductionspostpollinationpostirradiationpostinoculationpostdevaluationpopularizationspolynucleotidespolymerizationspoliticizationspneumonectomiespinocytoticallyphytoplanktonicphotosensitizesphotosensitizerphotoreductionsphotoreceptionsphotoproductionphotooxidationsphotoionizationphotoinductionsphotofinishingsphotoexcitationphotoelectronicphosphorylationphosphorylatingphosphoproteinsphonogramicallyphonocardiogramphilanthropoidsphenomenologistphenomenologiesphenobarbitonespharmacognosticpharmacognosiespentobarbitonespalynologicallypaleontologistsoverspeculationoverprotectionsoverproportionsoverprogrammingoverproductionsoverpopulationsoverpersuasionsoveropinionatedoverexpectationovercompressingovercompliancesoverapplicationoutdoorsmanshipoptoelectronicsopprobriousnessopinionatednessoperationalismsomnicompetencesoceanographicalnonsaponifiablenonreproductivenonphotographicnonphilosophersnonoccupationalnonmetaphoricalnonimplicationsnonhospitalizednonexploitativenoncooperationsnonconsumptionsnoncomputerizednonbiographicalnincompooperiesneuropathologicmonospecificitymonopolizationsmiscomputationsmicropulsationsmicroprojectionmegacorporationlyophilizationsjuxtapositionalionosphericallyintrapopulationinterpopulationintercomparisonhypochondriaseshyperproductionhyperinvolutionhydroxyprolineshematoporphyrineutrophicationserythropoietinsepichlorohydrinenantiomorphousdepolarizationscounterpointingcounterplottingcounterpetitioncouncillorshipscosmopolitanismcooperationistscontrollershipscontrapositivescontrapositionsconservatorshipcompassionatingchronotherapieschemoreceptionsbronchoscopistsblaxploitationsbipolarizationsapolipoproteinsantipornographyanthropophagiesanthropologistsachondroplasiasunderproductionprepositionallypleuropneumoniaphotomechanicalpaleontologicalmorphophonemicsmicrosporangiumimmunopathologyimmunocompetenthypostatizationhypochondriasisenantiomorphismcrossopterygiancontemporaneitycomputationallycomplementationcholangiographyboustrophedonicanthropopathismanisotropicallyachondroplasticnonreproduciblenonprogressivesnonoverlappingsanticorruptionsxenomorphicallyvideotelephonesunproportionateunphilosophicaluncooperativelyuncompanionableunapostolicallytropicalizationtropicalisationtrinitrophenolssuppositionlesssuperfoetationssuperconductionsuboptimisationsporangiosporessplanchnologiesspironolactonesspheroidizationspheroidisationshowerproofingsscolopendriformscintilloscopesrontgenoscopiesroentgenoscopicrepolarisationsradiophonicallypyknodysostosispseudosolutionsprothonotariatsproselytisationpropylitizationpropylitisationpropositionallyproportionmentsproperispomenonpronominalizingpronominalisingprojectizationsprojectisationsprohibitionismsprogressionistsprogressionismsprogressionallyprogenitorshipsprofessionalistprocrastinatoryprocessionalistprobationershipprioritisationsprenegotiationspreformationismpreconstructionpotentiometriespostulationallyporphyrogenitespopularisationspolychlorinatedpoliticisationspoisonousnessespococuranteismspneumoconioticspneumatologistspneumatologicalphrenologicallyphotozincographphototransistorphotosynthesisephotosensitisesphotosensitiserphotosensitisedphotoluminescesphotoluminescedphotoionisationphotoconductingphosphocreatinsphosphatisationphoneticizationphoneticisationphonemicizationphonemicisationphonautographicphenakistoscopepharyngoscopiespharyngologistspharyngologicalpharmacognosistpharmacogenomicpersonalisationperiodontitisesperiodonticallyparabolizationsparabolisationspalaeontologiespalaeolimnologypalaeobotanistspalaeobotanicalpalaeoanthropicoverpreparationornithodelphousornithodelphianorganotherapiesorganographistsorganographicaloptimalizationsoptimalisationsopsonificationsopisthognathismonychocryptosisnonproductivitynonhospitalisednoncomputerisednomographicallyneurocomputingsmorphinomaniacsmonopolisationsmonophthongizesmonophthongizedmonophthongisesmonophthongisedmonographicallymisproportionedmicroprocessingmicrocomputingsmicrocomponentsmetropolitanizemetropolitanismmetropolitanisemetropolitanatemechanomorphismlyophilisationslophobranchiateleucocytopeniaslepidodendroidslaryngoscopistsintrosusceptioninopportunitiesimposthumationsimmunocomplexeshypoventilationhypostasizationhypostasisationhypochondriastshypochondriasmsgramophonicallygeomorphogenistgeomorphogeniesgalvanotropismsexplorationistsendocrinopathicencephalotomiesenantiomorphiesdurchkomponiertdisincorporatesdisincorporateddepolarisationsdehypnotizationdehypnotisationcounsellorshipscorporificationcontemperationsconscriptionistconduplicationscomputerisationcompotationshipcompositenessescircumpositionschondrophorineschenopodiaceousbronchoscopicalbronchographiesbisphosphonatesbipolarisationsbioprospectingsappropinquationapprenticehoodsanthroposophistanthropopsychicanthropophuismsanthropophobicsanthropophobiasanthropopathiesanthropometristanthropolatriesanthropobiologyaminophenazonestorpediniformestemporalizationsuperordinationspongioblastomaself-pollinationself-opinionatedrhizopogonaceaeradiotelephonicradio-phonographradio-gramophonepycnodysostosisptilonorhynchuspropionaldehydeproinflammatoryprofessionalisepro-inflammatoryprice-controlledprechlorinationpoitou-charentesphotoconductionphoenicophoriumpetromyzontidaepaleornithologyoppositionalityopisthognathousopisthobranchianonpsychoactivenephrosclerosismacrosporangiumlymphocytopenialeptosporangiumill-proportionedhypovitaminosishypostatisationhypoproteinemiahepatocarcinomahematocytopeniagymnosporangiumgossipmongeringeuropeanizationeuropeanisationdownward-slopingdecompositionalcyprinodontidaecosmopolitanityconiferophytinaclosed-captionedchloroplatinateceratopogonidaebeta-lipoproteinbalanoposthitisanthropophagiteanthropogeneticanthropogenesisantheridiophoreangiohemophilia
Phrases (230)
water absorptionugo buoncompagnitincture of opiumstonecrop familystable companionsound perceptionsolar prominencesingapore dollarsilicone polymerserial operationscorpaenoid fishschool principalsaturation pointrescue operationreligious personrelative pronounpresident hooverpolyphonic prosepolar oppositionpigeon droppingspenetration bomboperational cellnon-profit-makingniccolo paganinineotoma fuscipesmatrix operationloan applicationline one's pocketsjohn witherspoonironmonger's shopincentive optiongroup discussiongossip columnistgeographic pointgenus rhizophoragenus priodontesgenus ailuropodaemotional persondiospyros ebenumdining companioncoronoid processcomposite numbercapital of polandcapital of oregoncapital of norwaycapital of jordanavoirdupois unitappointment bookapplication formanti-tnf compoundancestor worshipalto saxophonistaction potentialwilliam thompsonwhite potato vinetwenty-two pistoltropaeolum minustrade protectiontouch perceptiontop fermentationtobacconist shopsynoptic gospelssweet potato vinesuspension pointsupporting towersupport stockingsuperoxide anionsteel productionstamp collectionspinal nerve rootspike microphonesound projectionsophora sinensissophora japonicasoapwort gentianslip of the tonguesir joseph paxtonsaxicolous plantrupicolous plantroly-poly puddingpyloric stenosispush-button radiopulse modulationpull in one's hornspsychotic personprotoctist genusproterozoic aeonprotein moleculeproportional taxpromotion systemproduction orderproboscis monkeypresident monroeprecision cookieprairie schoonerpostfix notationport jackson pinepopulation shiftpope innocent xiipope innocent iiipolyphonic musicpolice constablepolar coordinatepoint of no returnpoint of apoapsisplantation ownerplains spadefootpinus monophyllapinot chardonnaypigeon guillemotphylum phoronidaphase modulationphanerozoic aeonpersonnel officeperpetual motionpenstemon doliuspectoralis minorpaul vinogradoffpassion of christpartial abortionpainted tortoiseorganic compoundorder opuntialesoral personalityoptical illusionopportunity costoncidium papilioold-age pensionerokapia johnstonioil of turpentineodontoid processobservation postnon compos mentisnerita pelorontamultiplier onionmost importantlymonophonic musicmonocarpic plantmonic polynomialminiature poodlemikolaj kopernikmenopon gallinaemartyr operationmajority opinionlogic programinglegal professionjumping-off pointjohn philip sousajohn hoyer updikeiron perchlorideipomoea 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 potentialeconomic processdyadic operationdrooping juniperdouble pneumoniadipogon lignosuscovert operationcoprinus comatusconsumption weedconic projectioncomputer monitorcompound proteincomplex fractioncommon spoonbillcommon grape vinecolorado springscollection platecleanup positioncalifornia poppybromus japonicusbook of zephaniahbinary operationbigtoothed aspenbig-toothed aspenbenzoyl peroxideautonomic plexusautomatic weaponatomic explosionarundo conspicuaapparent horizonanionic compoundangular positionalpine goldenrodalpine coltsfootalkali poisoningadolph simon ochs
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