14-Letter Words Containing OP

There are 297 14-letter words that contain OP. 58 are common words, such as ACETAMINOPHENS and ANTHROPOLOGIES. A rarer one is XEROPHTHALMIAS. In this set, I is the most frequent open letter (232 words). 60 words contain a doubled letter.

Full list 297

Common words

acetaminophensanthropologiesanthropologistappropriationsarchbishopricsarchiepiscopalastrophysicistclaustrophobiaclaustrophobicdisproportionselectroplatingencyclopaedias
acetaminophensanthropologiesanthropologistappropriationsarchbishopricsarchiepiscopalastrophysicistclaustrophobiaclaustrophobicdisproportionselectroplatingencyclopaediasexpropriationshippopotamuseshopelessnesseshydroponicallyhypertrophyinglopsidednessesmicroprocessormisanthropistsmisappropriatemonopolizationnoncooperationnonoperationalopenhandednessoppressivenessoptimisticallyoverdevelopingoveroptimisticoverpopulatingoverpopulationpharmacopoeiasphilanthropiesphilanthropistphilosophizersphilosophizingpolypropylenespopularizationpopulousnessespostmenopausalpropagandizingproportionallypropositioningproprietorshipproprietressesredevelopmentsschizophreniasschizophrenicssophisticatingsophisticationspectroscopiessubmicroscopictelescopicallythermoplasticsunappropriatedunderdevelopedunderpopulatedunpopularitiesachondroplasiaanamorphoscopeanisometropiasanthropographyanthropometricapoplecticallyapostrophizingbacteriophagesboustrophedonscardiomyopathychlorophyllouscongresspeoplecopartnershipscopolymerizingdeipnosophistsencephalopathyencyclopedistserythropoiesiseutrophicationexophthalmosesgalactopoieticgalvanotropismgeopoliticallygyroscopicallyheterophylloushistopathologyhistoplasmosishomophonicallyhypermetropiasimpropernesseskeratoplastieslepidopteristsmastigophoransmegasporophyllmercaptopurinemetropoliticalmicropathologymisanthropicalmonophonicallymorphophonemesmyrmecophagousnoncooperativenondevelopmentoophorectomiesophthalmitisesophthalmologicophthalmoscopeophthalmoscopyoppositenessesoptoelectronicorthopedicallyphilanthropismphilanthropizephosphoproteinphosphoroscopephytopathologyphytoplanktonspreoperativelypropaedeuticalpropitiousnessproportionableproprioceptionproprioceptivepyrophotometerroentgenoscopeschizophyceousscleroproteinssociopoliticalsophomoricallyspectroscopistspermatophytesspinthariscopestaphyloplastystrophanthusessubpopulationstachistoscopestheosophicallytherianthropicthromboplasticthromboplastintrinitrophenolunpropitiouslyadoptabilitiesallopatricallyallopolyploidsallopolyploidyaminopeptidaseaminophyllinesanthophyllitesanthropomorphsanthropophagusantimonopolistantineoplasticapolipoproteinapostrophisingapotropaicallyautopolyploidsautopolyploidybibliophilismsblepharoplastsblepharoplastybronchoscopiesbronchoscopistbusinesspeoplebutyrophenonescampylotropouscatastrophismscatastrophistsceruloplasminschlorpropamidechromatophoreschromoproteinsclaustrophobescooperationistcoprosperitiescorticotrophincorticotropinscosmopolitismscryopreservingcryoprotectantcryoprotectivecycloparaffinscytopathogeniccytophotometrydinitrophenolsdryopithecinesecocatastropheelectrophoreseencyclopedismsendoparasitismendopeptidasesendopolyploidyendoscopicallyergastoplasmicerythropoieseserythropoieticerythropoietinexophthalmusesfibrinopeptidefiliopietisticfluoroscopistsgastroscopistsgeopoliticiansgonadotrophinshepatopancreasheterophylliesheteroploidiesheterotrophieshistoplasmoseshydroperoxideshydrophilicityhydrophobicityhygroscopicityhypophysectomyichthyophagousidiopathicallyinteroperativeisentropicallyisoproterenolskeratinophiliclaparoscopistslaryngoscopiesleukodystrophylyophilizationmegalopolitansmegascopicallymicroparticlesmicroplanktonsmicroprojectormicropublishermicropulsationmicropuncturesmonopropellantmyrmecophilousnannoplanktonsnasopharyngealneoplasticismsneoplasticistsneuropathologynitroparaffinsnoncooperatorsnonhygroscopicnonphilosophernonproprietarynucleoproteinsoligopsonisticoperationalismoperationalistopinionativelyopisthobranchsopposabilitiesoppositionistsorthophosphateoverproportionpaleopathologypanleukopeniaspharmacopoeialphilanthropoidphilosophisingphotoautotrophphotoperiodismphytopathogensphytoplankterspithecanthropipneumatophorespostcopulatorypredevelopmentpreoperationalpropagandisticpropagandizersproportionablyproportionatedproportionatesproprioceptorsprotoplanetaryprotoporphyrinpseudopregnantpsychophysicalpyroninophilicpyrophosphatesreappropriatedreappropriatesrepopularizingseropositivitysomatotrophinsspermatophoresspermatophyticsporangiophoresporopolleninssubdevelopmentsycophantishlytachistoscopicthermotropismsthigmotropismstoploftinessestropocollagenstropologicallyxenophobicallyxerophthalmias

About this list

Words
297 (58 common words)
Common example
acetaminophens
Rare example
xerophthalmias
Doubled letters
60
Ending in S
127
Most frequent letter
I (232)

Questions

How many 14-letter words containing op are there?

297. 58 of them are common words.

What is a common example?

ACETAMINOPHENS is among the common words in this set.