9-Letter Words Matching _O____S__

There are 200 9-letter words that match _O____S__. 78 are common words, such as BOOKCASES and BOTANISTS. A rarer one is ZOMBIISMS. In this set, S is the most frequent open letter (160 words). 55 words contain a doubled letter.

Full list 200

Common words

bookcasesbotanistsbotulismscolitisescollapsedcollapsescolonistscommissarcompassedcompassescomprisedcomprises
bookcasesbotanistsbotulismscolitisescollapsedcollapsescolonistscommissarcompassedcompassescomprisedcomprisesconcussedconcussescondensedcondensercondensesconfessedconfessesconfessorconquestsconsensuscontrastsconversedconversesconvulsedconvulsescopiouslycosponsorcourtesancoynessesdoghousesfootrestsforecastsforemastsforetastegoalpostsgoddesseshobbyistshostessedhostesseshothouseshotnesseshoumousesjoylesslylobbyistslownessesloyalismsloyalistsmongoosesmonodistsmoralistsmotoristsnonpersonnonplusednonplusesnonsensesnovelistspoetessespolitessepompouslypopulismspopulistsporpoisedporpoisespossessedpossessespossessorposthastepostnasalrowdyismsroyalistssolecismssongfeststoadyismstokenismstortoisesvocalistscollinsescollinsiacolobusescoloristscommensalcontrastycoreopsiscornhuskscoulissesdoorpostsgodlesslygomphosisholdfastshooknoseslocalismsmonobasicmorphosisnoblessesnocuouslynoncausalnotecasesnoxiouslyoogenesesoogenesispolypusespothousesrockrosestokoloshetotemismstoxicosiszooplastyboletusesbongoistsbooboisiebookrestsbotanisedbotanisesboyarismscoassistscoattestscocounselcolonisedcolonisescolorismsconenosesconversercopydesksdowncastsfocalisedfocaliseshomilistshomolyseshomolysisiotacismskolbassiskolkhoseskoumisseskoumysseslobbyismslocalisedlocaliseslocalistslogicisedlogicisesmobilisedmobilisesmodelistsmonadismsmonetisedmonetisesmoondustsmoonrisesmoralisedmoralisesmoralismsmoronismsmotorisedmotorisesnomadismsnoncrisesnoncrisisnonfossilnonguestsnovelisednovelisesnownessesoologistspolarisedpolarisespolemistsposttestsrobotismsromanisedromanisesroyalismssodalistssodomistssolarisedsolarisessolarismssolecisedsolecisessolecistssorosisestorquesestotalisedtotalisestotalismstotaliststotemiststoxicosesvocalisedvocalisesvocalismsvoltaismsvomitusesvotaristsvotresseswoenesseswomanisedwomaniseszombiisms

About this list

Words
200 (78 common words)
Common example
bookcases
Rare example
zombiisms
Doubled letters
55
Ending in S
143
Most frequent letter
S (160)

Questions

How many 9-letter words matching _o____s__ are there?

200. 78 of them are common words.

What is a common example?

BOOKCASES is among the common words in this set.