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

 (In Any Order)
There are 58 18 letter words, 159 18 letter phrases and 0 18 letter abbr's with O,P,T,I,O,N,S in.

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

RankWordSave?LengthUsagePointsType
We couldn't find any valid Scrabble EU words with a length of 18. Try changing the version of the game.
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All 18 Letter Words

Words (58)
disproportionatelyoversimplificationoverrepresentationhyperaldosteronismsphygmomanometriesribonucleoproteinsrehospitalizationsprovincializationspronounceabilitiespostpsychoanalyticpolyesterificationpolyacrylonitrilesphotosyntheticallyphotosensitizationphotosensitivitiesphotoreproductionsphotoreactivationsphotomorphogenesisphotodissociationsphotodisintegratesphotodisintegratedphotodecompositionoverspecializationoverprotectivenessoverextrapolationsopinionativenessesnoncooperationistsnoncomparabilitiesnonanthropologistsneuropsychologistsneurophysiologistsmicroreproductionsmicromanipulationsmicroencapsulationmethylprednisoloneintrospectionisticimpersonalizationsimmunopathologistshyposensitizationshypophysectomizinghyperpolarizationshemoglobinopathiesgranulocytopoiesisgranulocytopoiesesevapotranspirationelectrodepositionsdisproportionationdisproportionatingdephosphorylationsdepersonalizationscounteradaptationsconceptualizationscompanionabilitiesbacteriorhodopsinstriphosphopyridineovercapitalisationnonprognosticativeglomerulonephritis
Phrases (159)
third epistle of johnthird epistel of johntelevision reportertangible possessionsupervisory routinesuborder anisopterasexual reproductionscorpio the scorpionpriority processingpositive reinforcerpooecetes gramineuspolish monetary unitpolianthes tuberosapoisonous substancepiano transcriptionp-type semiconductorostrya carpinifolianeuropterous insectnational censorshipmusical compositionmaterial possessionhypertonic solutionhouses of parliamentheat of vaporisationhealth professionalgenus dimorphothecafirst epistle of johnelectronics companyelectron microscopedivision anthophytachemical operationscapital of wisconsincapital of minnesotacapital of louisianacapital of indonesiaartocarpus communisartistic productionagropyron cristatumacoustic gramophonezero-coupon securityunspoken accusationtropical rain foresttime deposit accountthreshold operationthamnophis proximustelephone extensionsynaptomys borealissymplocus tinctoriasweet-potato ring rotsubclass actinopodastereoscopic visionstereophonic systemsteganopus tricolorspotsylvania countysphenoidal fontanelsphenoid fontanellesouthern yellow pinesocial anthropologysmoking compartmentshort saphenous veinsex-change operationsensory deprivationsciaenops ocellatussao tome and principesacrifice operationrocky mountain sheeprhizopus stoloniferrepublic of botswanareaction propulsionpsocopterous insectprospero lambertiniprosecuting officerpropositional logicproportional samplepromotional expenseprofessional tennisprionotus carolinuspresident rooseveltpower-station workerpotassium carbonatepotamogeton crispuspositional notationportal hypertensionponcirus trifoliatapoephila castanotisplains pocket gopherpinnotheres ostreumphotogenic epilepsyphonological systempesticide poisoningperiodontal diseasepaul bustill robesonparochetus communisparathion poisoningorthopterous insectornithopod dinosaurorder temnospondyliorder polymastiginaopisthocomus hoazinoperations researchomphalotus illudensnorth celestial polenewtonian telescopeneurotic depressionnervous prostrationn-type semiconductormountain spleenwortmontia lamprospermamicroscopic anatomymexican pocket mousemalathion poisoningmagneto-optical discmacroscopic anatomylip synchronizationlip synchronisationleontocebus oedipusleaning tower of pisalate-spring-bloomingkingdom protoctistainorganic phosphatehydropower industryhousing developmentgregorian telescopegradable oppositiongenus schizopetalongenus pithecolobiumgenus gomphotheriumgastroepiploic veinfavourable positionfausto paolo sozziniepistle to the romanselectron microscopydryopteris goldianadivision rhodophytadivision phaeophytadivision cyanophytadicamptodon ensatusdental orthopaedicsdavidson's penstemoncystopteris montanacorticospinal tractcorporal punishmentcoreopsis tinctoriacoptis groenlandicacontopus sordiduluscomputer simulationcomplex prepositioncompetitor analysiscompassionate leavechaenopsis ocellatacapital of singaporecapital of san marinobottle-nosed dolphinassistant professoralveolar resorptionacoustic projectionacoustic phenomenonacoustic absorptionabsorption spectrum
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