13-Letter Words Containing OS

There are 438 13-letter words that contain OS. 101 are common words, such as BELLICOSITIES and COLONOSCOPIES. A rarer one is XENODIAGNOSIS. In this set, I is the most frequent open letter (331 words). 86 words contain a doubled letter.

Full list 438

Common words

bellicositiescolonoscopiescosignatoriescosmetologiescosmetologistcosmopolitanscrisscrossingcrossbreedingcrosscheckingcrosscurrentscrosshatchingcryosurgeries
bellicositiescolonoscopiescosignatoriescosmetologiescosmetologistcosmopolitanscrisscrossingcrossbreedingcrosscheckingcrosscurrentscrosshatchingcryosurgeriesdecompositiondiagnosticiandiscomposuresdispossessingdispossessionelectroscopeselectroscopicelectroshockselectrostaticexplosivenessexpostulatingexpostulationfossilizationgeostationaryghostlinessesgrandiositiesheterosexualshomosexualityhospitalitieshospitalizingidiosyncraticimpetuositiesimpossibilityindispositioninterpositionintrospectingintrospectionintrospectivejuxtapositionkaleidoscopeskaleidoscopicmetamorphosedmetamorphosesmetamorphosismicroscopicalmisdiagnosingmononucleosesmononucleosismonosyllablesmonstrositiesneurosurgeonsnondisclosurenonexplosivesnostalgicallyoscilloscopesossificationsoverexposuresphilosophicalphilosophizedphilosophizerphilosophizesphotostattingpossibilitiespostgraduatespostmodernismpostmodernistpostoperativepostponementsprepositionalprepossessingprepossessionprognosticatepropositionalpropositionedproscriptionsproselytizersproselytizingprospectivelyprostitutionspseudosciencepsychosomaticpurposelesslyrepossessionsretrospectingretrospectionretrospectivespectroscopesspectroscopicstegosaurusesstratospheresstratosphericsuperimposingsuperpositionsuppositoriestestosteronestranspositiontyrannosaurusunderexposingunderexposuremagnetosphereactinomycosesactinomycosisamphiprostyleandrosteronesanfractuosityanthroposophyanticorrosiveantineutrinosapatosaurusesapostrophizedapostrophizesapotheosizingarthroscopiesaspergillosesaspergillosisastereognosisasthenosphereautostabilitybacteriostatsbanderillerosbasidiosporesblastospheresborosilicatesbrachiosaurusbronchoscopescerebrospinalchiaroscuristchlamydosporechondriosomescompositenesscompositionalcorrosivenesscosmochemicalcosmographerscosmographiescosponsorshipcostermongerscumulostratusdeipnosophistdextroglucosedisposabilitydispositionaldivertimentosendometriosesendometriosisendoskeletonsentomostracanexpostulatoryfluoroscopiesfossiliferousfractostratusgeoscientificglossographerglutinositiesgoosesteppinggrandiosenessgymnosophistsgymnospermoushemicelluloseheterosporoushieracosphinxhydrostaticalhypophosphatehypophosphitehyposensitizehypostatizingichthyosaurusimpecuniosityinhospitalityinterosculatelaparoscopieslaryngoscopesleptospirosesleptospirosislymphocytosislymphosarcomamacroscopicalmalacostracanmetaphosphatemicrocosmicalmicrosurgicalmispositionedmonosymmetricneurosciencesneurosurgicaloctosyllablesoscillographsoscilloscopicostensibilityosteomalaciasosteomyelitispathoneurosispharmacognosypharyngoscopepharyngoscopyphospholipidephospholipidsphosphorylasephotocomposerponderositiespostclassicalpostdoctoratepostmenstrualpostmodernitypostpubescentprediagnosticproboscideansprosaicnessesprosopopoeiasprostatectomyprostatitisespsychosurgerypurposivenesspyrophosphatequattrocentosreimpositionsreligiositiesrepositioningsacrosanctitysalmonellosessalmonellosissomatosensoryspirochetosisstereoscopiessternforemostsubperiostealsuppositionaltachistoscopethermosettingthermospheresthermostaticstoxoplasmosisundiagnosablezoosporangiumagamospermiesaldosteronismamyloidosisesangiospermousanticorrosionapostrophisedapostrophisesautosuggestedbioscientificbioscientistsbiostatisticsbiosystematicblastomycosesblastomycosisblepharospasmbronchoscopicbronchospasmscephalosporinchemosurgicalchromosomallychromosphereschromosphericcosmeticizingcosmochemistscosmopolitismcostivenessescosurfactantscounterposingcrossbandingscrosscuttingscyclosporinescysticercosescysticercosiscytoskeletonsdeuterostomesdispossessorsendocytosisesendosymbiontsendosymbiosesendosymbiosisendosymbioticenterostomieseosinophiliaserosivenessesethnoscienceseugeosynclineferrosiliconsfibrosarcomasfluoroscopingfluoroscopistgalactosaminegalactosemiasgalactosidasegalvanoscopesgastroscopiesgastroscopistgeoscientistsgeostrategiesgeostrategistglossolalistsglycosylatingglycosylationgossipmongersgrossularitesgymnospermiesheterosporiesheterozygosesheterozygosishomoscedastichospitalisinghyperhidroseshyperhidrosishypospadiasesimmunosorbentincuriositiesinosculationsintercrossingisochromosomeisosmoticallyisostaticallylaparoscopistlosablenesseslymphocytoseslymphomatoseslymphomatosismagnetostaticmicrocosmosesmicroporositymicroscopistsmicroswitchesmultihospitalmyelofibrosesmyelofibrosismyxomatosisesnoncellulosicnondepositionnonhomosexualnonphosphatesnonpossessionnosologicallyoctosyllabicsodontoglossumoperosenessesoppositionistoscillationaloscillographyosteoplastiesosteosarcomasovipositionalpediculosisesperiostitidesperiostitisesphagocytosingphilosophisedphilosophisesphosphatidylsphosphatizingphosphaturiasphosphokinasephospholipasephosphorescedphosphorescesphosphorylatephotocomposedphotocomposesphotopositivephotosynthatephysostigminepolyribosomalpolyribosomespossessednesspostbourgeoispostcraniallypostdebutantepostdiluvianspostembryonalpostembryonicpostemergencepostemergencypostepilepticpostfracturespostholocaustpostinauguralpostinfectionpostinjectionpostisolationpostlapsarianpostpositionspostrecessionpostsecondaryposttensionedposttraumaticposttreatmentpostulationalpostvasectomyprepositivelyproboscidiansprosecutorialproselytisingprosencephalaprosopographyprostacyclinsprostaglandinprostatitidespsittacosisespsychosurgeonpteridospermsrecompositionredispositionrehospitalizereposefulnessretinoscopiesrhodochrositerisorgimentosschistositiesserodiagnosesserodiagnosissigmoidoscopysiphonostelessnollygosterssomatostatinsspirochetosesstrenuositiessupercolossalsupervirtuosisupervirtuososynchroscopesteleutosporestenosynovitisthermosphericthermostatingthermostattedtoxoplasmosestrichinosisestriphosphatesurediniosporeurethroscopesverbosenessesviscosimetersviscosimetricxenodiagnosesxenodiagnosis

About this list

Words
438 (101 common words)
Common example
bellicosities
Rare example
xenodiagnosis
Doubled letters
86
Ending in S
211
Most frequent letter
I (331)

Questions

How many 13-letter words containing os are there?

438. 101 of them are common words.

What is a common example?

BELLICOSITIES is among the common words in this set.