15-Letter Words Containing OS

There are 194 15-letter words that contain OS. 26 are common words, such as ATHEROSCLEROSES and ATHEROSCLEROSIS. A rarer one is UNFOSSILIFEROUS. In this set, I is the most frequent open letter (169 words). 45 words contain a doubled letter.

Full list 194

Common words

atherosclerosesatherosclerosisatmosphericallycosmopolitanismexplosivenessesheterosexualityhomosexualitieshospitalizationimpossibilitiesintrospectivelymicroscopicallynitrocelluloses
atherosclerosesatherosclerosisatmosphericallycosmopolitanismexplosivenessesheterosexualityhomosexualitieshospitalizationimpossibilitiesintrospectivelymicroscopicallynitrocellulosesphilosophicallyphosphorescencephotosynthesizepostconsonantalpredispositionsprepositionallypresuppositionsprognosticatingprognosticationprognosticatorsretrospectivelysuperimpositiontyrannosaurusesunprepossessingagranulocytosesagranulocytosisancylostomiasisankylostomiasisatheroscleroticautosuggestionscentrosymmetriccorticosteroidscorticosteronescosmopolitanizecounterproposalcrossopterygiandextrosinistralelectronarcosiselectropositivegyrostabilizershydrostaticallyichthyosaurusesjuxtapositionalmacrocosmicallymacroscopicallymetempsychosistmicrocosmicallymicrosporangiummicrosporophyllmonosaccharidesmusculoskeletaloligosaccharideophthalmoscopesorganophosphateosteomyelitidesosteopathicallyphlebosclerosisphosphocreatinephosphoproteinsphosphorylationphotomicroscopephotosensitizedphotosensitizespostoperativelyprognosticatorypronunciamentosproselytizationprostatectomiespsychodiagnosispurposelessnessschistosomiasesschistosomiasisspectroscopicalsubstratospheretrypanosomiasisultramicroscopeaerosolizationsaluminosilicateancylostomiasesanfractuositiesankylostomiasesanthroposophiesantiforeclosureariboflavinosesariboflavinosisbiostatisticianbiostratigraphybiosystematistsbronchoscopistscarcinosarcomascompositionallycontrapositionscontrapositivescorrosivenessescrosslinguisticdecomposabilitydephosphorylatedisposabilitieselectrodepositselectrosurgicalendometriosisesgeostrophicallygrandiosenesseshemochromatoseshemochromatosishexosaminidaseshyposensitizinghypostatizationichthyosauriansimmunodiagnosesimmunodiagnosisimpecuniositiesinhospitalitiesintrospectionalionosphericallylignocelluloseslignocellulosiclignosulfonateslymphocytosiseslymphosarcomatamacrostructuralmacrostructuresmethylcellulosemicroporositiesmicroseismicitymicrosporocytesmicrostructuralmicrostructuresmononucleosisesmonospecificitymonosyllabicityneuroscientificneuroscientistsneurosecretionsnonhospitalizednonphilosophersnucleosynthesesnucleosynthesisnucleosyntheticophthalmoscopicorthophosphatesoscillographiesosmoregulationspararosanilinespharmacognosiespharmacognosticphosphatizationphosphorylatingphosphorylativephotosensitizerpossessednessespostadolescentspostapocalypticpostdevaluationpostdivestitureposthemorrhagicpostinoculationpostirradiationpostmastershipspostmillenarianpostpollinationpostproductionspoststimulationpoststimulatoryposttransfusionpostvaccinationprognosticativeprosopographiesprosthodontistspseudoscientistpseudoscorpionspsychosexualitypsychosurgeriespsychosynthesespsychosynthesispurposivenessesradiostrontiumsrehospitalizingreposefulnessesribonucleosidessacrosanctitiessigmoidoscopiesspectroscopistsstrongyloidosesstrongyloidosissuperphosphatestechnostructuretenosynovitisesthermostabilitytranspositionaltrypanosomiasesunfossiliferous

About this list

Words
194 (26 common words)
Common example
atheroscleroses
Rare example
unfossiliferous
Doubled letters
45
Ending in S
99
Most frequent letter
I (169)

Questions

How many 15-letter words containing os are there?

194. 26 of them are common words.

What is a common example?

ATHEROSCLEROSES is among the common words in this set.