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

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There are 151 18 letter words, 400 18 letter phrases and 0 18 letter abbr's with O,P,T,I,S in.

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

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Words (151)
disproportionatelyoversimplificationspectrophotometricoverrepresentationpsychopathologicalhyperaldosteronismpaleoclimatologistunprofitablenessesultrasophisticatedultramicroscopicaltriskaidekaphobiastransportabilitiesthrombophlebitidesthermoplasticitiestachistoscopicallysupranationalitiessupersophisticatedsuperminicomputerssupercivilizationssuperadministratorstereospecificallystereophotographicsphygmomanometriesspectrohelioscopesspectroheliographyspectroheliographsspectrofluorimeterribonucleoproteinsrepresentationallyrehospitalizationsrechromatographiesquasiperiodicitiespsychophysiologistpsychopathologistspsychoanalyticallypseudotuberculosisprovincializationspropagandisticallypronounceabilitiespraiseworthinessespostpsychoanalyticpostmillennialistspostmillennialismspostmillenarianismpolyesterificationpolyacrylonitrilespiezoelectricitiesphysiopathologicalphotosyntheticallyphotosensitizationphotosensitivitiesphotoreproductionsphotoreactivationsphotomorphogenesisphotomicrographiesphotolithographiesphotodissociationsphotodisintegratesphotodisintegratedphotodecompositionphosphodiesterasespertinaciousnessespathophysiologicalparticularizationspaleoclimatologiesoverspecializationoverprotectivenessoveroptimisticallyoverextrapolationsorthopsychiatristsopinionativenessesnonrepresentativesnoncooperationistsnoncomparabilitiesnonanthropologistsneuropsychologistsneuropsychiatristsneurophysiologistsmisrepresentationsmisinterpretationsmicroreproductionsmicrophotographiesmicrophotographersmicromanipulationsmicrolepidopterousmicroencapsulationmicroencapsulatingmethylprednisolonemacrophotographieslumpenproletariatslepidopterologistsirresponsibilitiesintrospectionisticinterrelationshipsinteroperabilitiesinhospitablenessesincorruptibilitiesimpersonalizationsimmunosuppressantsimmunoprecipitatesimmunopathologistshyposensitizationshypophysectomizinghypersensitizationhyperrationalitieshyperpolarizationshyperpigmentationshypernationalistichyperimmunizationshyperalimentationshydroxytryptamineshistophysiologicalhemoglobinopathiesgranulocytopoiesisgranulocytopoiesesexceptionabilitiesevapotranspirationepithelializationselectrophysiologicelectrophilicitieselectromyographieselectrodepositionsdisputatiousnessesdisproportionationdisproportionatingdiphenylhydantoinsdextroamphetaminesdephosphorylationsdepersonalizationscounteradaptationscontemptiblenessesconceptualizationscompartmentalisingcompanionabilitiesclaustrophobicallybiocompatibilitiesbacteriorhodopsinsaustralopithecinesastrophotographiestriphosphopyridinespectrographicallypteridospermopsidapteridospermaphytapsychotherapeuticsovercapitalisationnonprognosticativelaryngopharyngitishypoparathyroidismhypercholesteremiahistocompatibilityglomerulonephritis
Phrases (400)
upton beall sinclairtranslating programthird epistle of johnthird epistel of johntelevision reportertangible possessionsupervisory routinesuperiority complexsuborder anisopterasolidago spathulatasir christopher wrensexual reproductionsetophaga ruticillaselective lipectomyscorpio the scorpionrespiratory illnesspriority processingpresident jeffersonposterior pituitarypositive reinforcerportuguese republicpopulus tremuloidespooecetes gramineuspolitical dissidentpolish monetary unitpolianthes tuberosapoisonous substancepiano transcriptionphysiological statephysical attractionp-type semiconductorostrya carpinifoliaorder sauropterygianewspaper columnistneuropterous insectnational censorshipmusical compositionmusculus temporalismaterial possessionhypostasis of christhypertonic solutionhouses of parliamentherpestes ichneumonheat of vaporisationhealth professionalgenus melopsittacusgenus dimorphothecafirst epistle of johnelectronics companyelectron microscopedivision 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 productionapodemus sylvaticusantispasmodic agentantipsychotic agentantineoplastic drugamphibious aircraftamlodipine besylateamaranthus spinosusagropyron cristatumacoustic gramophonezero-coupon securitywrit of habeas corpuswinter olympic gameswestern roman empirewest indian smallpoxvespertilio murinusvena supraorbitalisvascular prosthesisvaledictory speakerupholstery materialunspoken accusationumbelliferous planttussock caterpillartuberculoid leprosytrusteeship counciltropical rain foresttrogium pulsatoriumtrisodium phosphatetragelaphus 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 fundsuborder lipotyphlasuborder ceratopsiasubclass actinopodastriped button quailstreptopelia turturstictopelia cuneatastereoscopic visionstereophonic systemsteganopus tricolorst. christopher-nevisspotsylvania countysporobolus poiretiispirit of turpentinesphenoidal fontanelsphenoid fontanellespanish oyster plantspanish inquisitionspace-time continuumsouthern yellow pinesouthern hemispheresouth celestial polesodium thiosulphatesodium hypochloritesocial anthropologysmoking compartmentslip friction clutchshort saphenous veinsexual relationshipsex-change operationsensory deprivationsciaenops 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 bacteriapublic relations manpublic presentationpterocarpus indicuspsychotria capensispsychological statepsoriatic arthritispsocopterous insectpseudotaxus chieniiprunus angustifoliaprumnopitys elegansprospero lambertiniprosecuting officerpropositional logicproportional samplepromotional expenseprofessional tennisprionotus carolinusprince-of-wales'-heathprince of wales heathpresident rooseveltpresident john adamspresent progressiveprehistoric cultureprairie golden asterpower-station workerpotos caudivolvuluspotentilla anserinapotato scab bacteriapotassium hydroxidepotassium carbonatepotamogeton crispuspositive chemotaxispositional notationportal hypertensionpopulus trichocarpaponcirus trifoliatapomatomus saltatrixpolystichum brauniipolitical scientistpolitical commissarpolice headquarterspoephila castanotispneumogastric nerveplatanus orientalisplatanus acerifoliaplains pocket gopherpinnotheres ostreumpine-barren sandwortpimenta officinalisphyllostachys nigraphragmites communisphotogenic epilepsyphonological systempezophaps solitariapetroleum geologistpesticide poisoningpersonal credit lineperiodontal diseasepenstemon rydbergiipenstemon newberryipedilanthus pavonispediculosis capitispedestrian crossingpaul bustill robesonparochetus communisparathion poisoningpaprilus alepidotuspancreatic fibrosispalestine authorityoxytropis lambertiiorthopterous insectornithopod dinosaurorder temnospondyliorder stegocephaliaorder psilophytalesorder polymastiginaorder plantaginalesopisthocomus hoazinoperations researchoperating statementomphalotus illudensnorthern hemispherenorth celestial polenon-christian priestnewtonian telescopeneurotic depressionnervous prostrationn-type semiconductormyosotis scorpiodesmusculus pectoralismultiplication signmultiple regressionmountain spleenwortmontia lamprospermamilitary censorshipmicroscopic anatomymexican pocket mousemetaphosphoric acidmalathion poisoningmagneto-optical discmacroscopic anatomylobelia siphiliticalittle spotted skunklip synchronizationlip synchronisationlimnocryptes minimaligustrum japonicumleptopteris superbalepiota cepaestipesleontocebus oedipusleaning tower of pisalate-spring-bloominglaportea canadensiskurdistan labor parykingdom protoctistajudicial separationjudgment in personamjatropha stimulosusjapanese poinsettiajames francis thorpeisopyrum biternatuminteragency supportinorganic phosphateinflationary spiralindirect expressionidiopathic disorderhypsiglena torquatahypoplastic anaemiahypo-eutectoid steelhyperfocal distancehynerpeton bassettihydropower industryhousing developmenthesperis matronalisguadalupe mountainsgregorian telescopegreat saphenous veingradable oppositiongenus zinjanthropusgenus stephanomeriagenus septobasidiumgenus schizopetalongenus pseudowinteragenus pleurothallisgenus platypoecilusgenus pithecolobiumgenus lepidothamnusgenus gomphotheriumgenus gasterophilusgenus dicranopterisgenus cercopithecusgenus centropristisgenus actiniopterisgenital personalitygastroepiploic veinfirst battle of ypresfavourable positionfausto paolo sozzinifamily rhiptoglossafamily relationshipfamily ceratopsidaeeucalyptus coriaceaeptesicus serotinusepistle to the romansepacris obtusifoliaenglish hippocrateselectron microscopyeastern roman empiredryopteris 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 trespasscomputer simulationcomplex prepositioncompetitor analysiscompatible softwarecompassionate leavecolaptes chrysoidesclianthus speciosusclaudius ptolemaeusclass hepaticopsidaclass ginkgophytinachrysolophus pictuschinese parasol treecharles william postchaenopsis ocellatacapital of singaporecapital of san marinocapital of costa ricabrush-tail porcupinebritish labour partybreech presentationbottle-nosed dolphinblissus leucopterusbidens trichospermabastardy proceedingbarometric pressureaustrotaxus spicataassociative aphasiaassociate professorassistant professorarches national parkapothecaries' weightanamnestic responsealveolar resorptionalsophila pometariaagitated depressionaegilops triuncalisacoustic projectionacoustic phenomenonacoustic absorptionabsorption spectrum
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