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18-Letter Words Containing: O,P,S,T

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There are 174 18 letter words, 492 18 letter phrases and 0 18 letter abbr's with O,P,S,T in.

Best Scoring 18 Letter Words With: O,P,S,T

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All 18 Letter Words

Words (174)
disproportionatelyoversimplificationspectrophotometricoverrepresentationpsychopathologicalhyperaldosteronismpaleoclimatologistweatherproofnessesunprofitablenessesultrasophisticatedultramicroscopicaltriskaidekaphobiastransportabilitiesthrombophlebitidesthermoplasticitiestachistoscopicallysupranationalitiessupersophisticatedsuperminicomputerssuperconglomeratessupercivilizationssuperadministratorstereospecificallystereophotographicsphygmomanometriesspectrophotometersspectrohelioscopesspectroheliographyspectroheliographsspectrofluorometryspectrofluorometerspectrofluorimeterribonucleoproteinsrepresentationallyrehospitalizationsrechromatographiesquasiperiodicitiespsychophysiologistpsychopathologistspsychoanalyticallypseudotuberculosispseudotuberculosespseudoparenchymataprovincializationspropertylessnessespropagandisticallypronounceabilitiespresumptuousnessespreposterousnessespraiseworthinessespostpsychoanalyticpostmillennialistspostmillennialismspostmillenarianismpolyesterificationpolyacrylonitrilespiezoelectricitiesphysiopathologicalphotosyntheticallyphotosensitizationphotosensitivitiesphotoreproductionsphotoreactivationsphotomorphogenesisphotomorphogenesesphotomicrographiesphotolithographiesphotodissociationsphotodisintegratesphotodisintegratedphotodecompositionphosphoglucomutasephosphodiesterasespertinaciousnessesperchloroethylenespentylenetetrazolspentachlorophenolspathophysiologicalparticularizationspaleoclimatologiesoverspecializationoverprotectivenessoveroptimisticallyoverextrapolationsorthopsychiatristsopinionativenessesobstreperousnessesnonrepresentativesnoncooperationistsnoncomparabilitiesnonanthropologistsneuropsychologistsneuropsychiatristsneurophysiologistsmisrepresentationsmisinterpretationsmicroreproductionsmicrophotographiesmicrophotographersmicromanipulationsmicrolepidopterousmicroencapsulationmicroencapsulatingmethylprednisolonemacrophotographieslumpenproletariatslepidopterologistsirresponsibilitiesintrospectionisticinterrelationshipsinteroperabilitiesinhospitablenessesincorruptibilitiesimpersonalizationsimmunosuppressantsimmunoprecipitatesimmunopathologistshyposensitizationshypophysectomizinghypersensitizationhyperrationalitieshyperpolarizationshyperpigmentationshypernationalistichyperimmunizationshypercorrectnesseshyperalimentationshydroxytryptamineshistophysiologicalhemoglobinopathiesgranulocytopoiesisgranulocytopoiesesextemporaneousnessexceptionabilitiesevapotranspirationepithelializationselectrophysiologicelectrophilicitieselectromyographieselectrodepositionsdisputatiousnessesdisproportionationdisproportionatingdiphenylhydantoinsdextroamphetaminesdephosphorylationsdepersonalizationscounterpropagandascounterdeploymentscounteradaptationscontemptuousnessescontemptiblenessesconceptualizationscompartmentalisingcompanionabilitiesclaustrophobicallybiocompatibilitiesbacteriorhodopsinsaustralopithecinesastrophotographiesastrophotographerstriphosphopyridinespectrographicallypteridospermopsidapteridospermaphytapsychotherapeuticspseudopleuronectesovercapitalisationnonprognosticativelaryngopharyngitishypoparathyroidismhypercholesteremiahistocompatibilityglomerulonephritis
Phrases (492)
upton beall sinclairtranslating programthird epistle of johnthird epistel of johntelevision reportertangible possessionsupervisory routinesuperiority complexsuborder anisopterastar-shaped fortresssphenodon punctatumsolidago spathulatasir christopher wrensexual reproductionsetophaga ruticillaselective lipectomyscorpio the scorpionrespiratory illnesspriority processingpresident jeffersonposterior pituitarypositive reinforcerportuguese republicpopulus tremuloidespooecetes gramineuspolitical dissidentpolish monetary unitpolianthes tuberosapoisonous substancepiano transcriptionphysiological statephysical attractionphotographer's modelp-type semiconductorostrya carpinifoliaorder sauropterygianewspaper columnistneuropterous insectnational censorshipmusical compositionmusculus temporalismaterial possessionloranthus europaeusjames prescott joulehypostasis of christhypertonic solutionhouses of parliamentherpestes ichneumonheloderma suspectumheat of vaporisationhealth professionalgenus phyllostachysgenus melopsittacusgenus encephalartosgenus dimorphothecagenus archaeopteryxfirst epistle of johneuropean goatsuckerelectronics companyelectron microscopedoctor of osteopathydivision anthophytadisreputable persondiplomatic ministercollapsible shelterchristopher marlowechemical operationscause to be perceivedcapital of wisconsincapital of tennesseecapital of swazilandcapital of new jerseycapital of minnesotacapital of louisianacapital of indonesiacapital of australiabanana passion fruitartocarpus communisartistic productionarthur schopenhauerapodemus sylvaticusantispasmodic agentantipsychotic agentantineoplastic drugamphibious aircraftamlodipine besylateamaranthus spinosusagropyron cristatumacoustic gramophonezero-coupon securitywrit of habeas corpuswinter olympic gameswestern roman empirewest indian smallpoxweapons emplacementvespertilio murinusvena supraorbitalisvascular prosthesisvaledictory speakeruveoscleral pathwayupholstery materialunspoken accusationumbelliferous planttussock caterpillartuberculoid leprosytrusteeship counciltrumpet honeysuckletropical rain foresttrogium pulsatoriumtrisodium phosphatetravel purposefullytragelaphus buxtonitopical anaesthetictopical anaesthesiatop fermenting yeasttime deposit accountthujopsis dolobratathreshold operationthird battle of ypresthermoplastic resinthamnophis sirtalisthamnophis sauritusthamnophis proximustextual scholarshiptelephone extensionsynaptomys borealissymplocus tinctoriasweet-potato ring rotsuspended animationsupratrochlear veinsuperannuation fundsubpoena duces tecumsuborder menotyphlasuborder lipotyphlasuborder ceratopsiasubclass actinopodastriped button quailstreptopelia turturstictopelia cuneatastereoscopic visionstereophonic systemstenotomus chrysopssteganopus tricolorstandard atmospherest. christopher-nevisspotted squeateaguespotsylvania countysporobolus poiretiispirit of turpentinesphenoidal fontanelsphenoid fontanellespanish oyster plantspanish inquisitionspace-time continuumsouthern yellow pinesouthern hemispheresouth temperate zonesouth celestial polesodium thiosulphatesodium hypochloritesocial anthropologysmoking compartmentslip friction clutchshort saphenous veinsexual relationshipsex-change operationsensory deprivationsemaphore telegraphsciaenops ocellatussaratoga spittlebugsao tome and principesample distributionsailor's breastplatesacrifice operationrocky mountain sheeprhizopus stoloniferretarded depressionrespiratory diseaserepulsorlift enginerepublic of the sudanrepublic of botswanareproductive systemreal-time processingreactive depressionreaction propulsionquadriphonic systemquadraphonic systempyrrhuloxia sinuatapylodictus olivarispus-forming bacteriapull out all the stopspublic relations manpublic presentationpterocarpus indicuspsychotria capensispsychotherapy grouppsychological statepsoriatic arthritispsocopterous insectpseudotaxus chieniiprunus angustifoliaprumnopitys elegansproto-norse languageprospero lambertiniprosecuting officerpropositional logicproportional sampleproperty settlementpromotional expenseprofessional tennisprionotus carolinusprince-of-wales'-heathprince of wales heathpresident rooseveltpresident john adamspresent progressiveprehistoric cultureprairie golden asterpower-station workerpotos caudivolvuluspotentilla anserinapotato scab bacteriapotassium hydroxidepotassium carbonatepotamogeton nodosuspotamogeton crispuspositive chemotaxispositional notationportuguese man-of-warportuguese languageportal hypertensionpopulus trichocarpaponcirus trifoliatapomatomus saltatrixpolyunsaturated fatpolystichum brauniipolitical scientistpolitical commissarpolice headquarterspoephila castanotispneumogastric nervepleurotus ostreatusplatanus orientalisplatanus acerifoliaplains pocket gopherpinnotheres ostreumpine-barren sandwortpimenta officinalisphyllostachys nigraphyllostachys aureaphrynosoma cornutumphragmites communisphotogenic epilepsyphonological systempezophaps solitariapetroleum geologistpesticide poisoningpersonal credit lineperiodontal diseasepenstemon rydbergiipenstemon newberryipedilanthus pavonispediculosis capitispedestrian crossingpaul bustill robesonpart-of-speech taggerparsley-leaved thornparochetus communisparathion poisoningparacentral scotomapaprilus alepidotuspancreatic fibrosispalestine authorityoxytropis lambertiiorthopterous insectornithopod dinosaurorder temnospondyliorder stegocephaliaorder psilophytalesorder polymastiginaorder plantaginalesopisthocomus hoazinoperations researchoperating statementomphalotus illudensnotoryctus typhlopsnorthern hemispherenorth celestial polenon-christian priestnewtonian telescopeneurotic depressionnervous prostrationn-type semiconductormyosotis scorpiodesmusculus pectoralismultiplication signmultiple regressionmountain spleenwortmost valuable playermontia lamprospermamilitary censorshipmicroscopic anatomymexican pocket mousemetaphosphoric acidmalathion poisoningmagneto-optical discmacroscopic anatomylupus erythematosuslobelia siphiliticalittle spotted skunklip synchronizationlip synchronisationlimnocryptes minimaligustrum japonicumleptopteris superbalepromatous leprosylepiota cepaestipesleontocebus oedipusleaning tower of pisalate-spring-bloominglaportea canadensiskurdistan labor parykingdom protoctistakarl theodor jaspersjudicial separationjudgment in personamjatropha stimulosusjapanese poinsettiajapanese pagoda treejames francis thorpeisopyrum biternatuminteragency supportinorganic phosphateinflationary spiralindirect expressionidiopathic disorderhypsiglena torquatahypoplastic anaemiahypo-eutectoid steelhyperfocal distancehynerpeton bassettihydropower industryhousing developmentheterosexual personhesperis matronalisguadalupe mountainsgroup psychotherapygroup centrospermaegregorian telescopegreat saphenous veingradable oppositiongeorge paget thomsongenus zinjanthropusgenus thysanocarpusgenus streptococcusgenus streptocarpusgenus stephanomeriagenus stenopelmatusgenus sphacelothecagenus septobasidiumgenus schizopetalongenus pterodactylusgenus pseudowinteragenus protoceratopsgenus pleurothallisgenus plectrophenaxgenus platypoecilusgenus pithecolobiumgenus phascolarctosgenus notophthalmusgenus leptotyphlopsgenus leptodactylusgenus lepidothamnusgenus hylactophrynegenus graptophyllumgenus gomphotheriumgenus gasterophilusgenus entomophthoragenus electrophorusgenus dicranopterisgenus dactylopterusgenus ctenocephalusgenus compsognathusgenus chronoperatesgenus cercopithecusgenus ceratophyllumgenus ceratopetalumgenus cephalopterusgenus centropristisgenus arctocephalusgenus anomalopteryxgenus actiniopterisgenital personalitygastroepiploic veinfull phase of the moonfirst battle of ypresfavourable positionfausto paolo sozzinifamily rhiptoglossafamily relationshipfamily ceratopsidaeeuropean water shreweucalyptus rostrataeucalyptus globuluseucalyptus coriaceaeucalyptus camphoraeptesicus serotinusepistle to the romansepacris obtusifoliaenglish hippocrateselectron microscopyeastern roman empireeastern hop hornbeamdryopteris goldianadryopteris fragransdryopteris filix-masdryopteris dilatatadoctor of philosophydivision rhodophytadivision phaeophytadivision cyanophytadicamptodon ensatusdental orthopaedicsdeflationary spiraldeep supporting firedavidson's penstemoncystopteris montanacystophora cristatacyclopes didactyluscryptotermes breviscryptogramma crispacrataegus apiifoliacorticospinal tractcorporal punishmentcoreopsis tinctoriacoptis groenlandicacontopus sordiduluscontinuing trespasscontempt of congresscomputer simulationcomplex prepositioncomplementary closecompetitor analysiscompatible softwarecompassionate leavecolaptes chrysoidesclianthus speciosusclaudius ptolemaeusclass xanthophyceaeclass pyrenomycetesclass plectomycetesclass hepaticopsidaclass ginkgophytinaclass cryptophyceaechrysophrys auratuschrysolophus pictuschinese parasol treecharles william postchaenopsis ocellatacapital of singaporecapital of san marinocapital of costa ricacalopogon tuberosumbrush-tail porcupinebritish labour partybreech presentationbradley's spleenwortbottle-nosed dolphinbody plethysmographblissus leucopterusbidens trichospermabastardy proceedingbarometric pressureaustrotaxus spicataassociative aphasiaassociate professorassistant professorasparagus setaceousarches national parkapothecaries' weightandropogon furcatusanamnestic responsealveolar resorptionalsophila pometariaagonus cataphractusagitated depressionaegilops triuncalisacoustic projectionacoustic phenomenonacoustic absorptionacer pseudoplatanusabsorption spectrum
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