12-Letter Words Matching ____O_O_____

There are 157 12-letter words that match ____O_O_____. 66 are common words, such as ANTHOLOGISTS and ANTHOLOGIZED. A rarer one is UNECOLOGICAL. In this set, I is the most frequent open letter (136 words). 14 words contain a doubled letter.

Full list 157

Common words

anthologistsanthologizedanthologizesastrologicalastrologistsastronomicalaudiologicalaudiologistschiropodistscorroboratedcorroboratescorroborator
anthologistsanthologizedanthologizesastrologicalastrologistsastronomicalaudiologicalaudiologistschiropodistscorroboratedcorroboratescorroboratorcosmogonistscosmologicalcosmologistscosmopolitandiscolouringdishonorabledishonorablyethnologicalethnologistsetymologicaletymologistshippopotamushistologistshydrologistsmeteorologicmetropolisesmetropolitanmythologicalmythologistsmythologizedmythologizesnecropolisesneurologicalneurologistsorthodontiasorthodonticsorthodontistosteoporosesosteoporosispathologicalpathologistsperiodonticsperiodontistpetrodollarspetrologistsphilologicalphilologistsphilosophersphilosophiesphilosophizephonologicalphonologistsphotocopiersphotocopyingradiologistsrephotographretrorocketsscatologicalsociologicalsociologiststautologicaltrigonometryunapologeticuneconomicalcosmogonicalcosmopolitesdichotomizeddichotomizesdiplodocusesetymologizedetymologizesgymnosophisthectocotylushistologicalhydrologicalleucopoiesislithologicalmeteorographnecrologicalorthodontureorthogonallyosteoporoticpaleozoologypetrologicalphilosophismphotocomposephotomontagephotovoltaicphytohormoneprosopopoeiaprotomorphicprotozoologyradiologicalsemiologicalsiphonophoresiphonosteleteleologicalunpronouncedanthologicalanthologizerantiozonantscosmopolisesdichotomistsetymologisedetymologisesgemmologistshagiologicalhomeomorphichydrocolloidhydromorphiciconologicaliridologistskaryologicalleukopoiesesleukopoiesisleukopoieticlimnologicallimnologistsmacrofossilsmetrologicalmetrologistsmetronomicalmicrofossilsmicrotonallymuseologicalmuseologistsmythologizernecrologistsneurohormonenoncolorfastnonmotorizedosteologicalosteologistspaedomorphicpaleobotanicphenologicalphilosophisephotoionizedphotoionizesphotomosaicsphotopolymerphycologicalphycologistsprotocollingrhodomontadesemiologistssociologesesspanokopitastaphonomiststeleologiststetrodotoxintribologicaltribologiststropologicalunecological

About this list

Words
157 (66 common words)
Common example
anthologists
Rare example
unecological
Doubled letters
14
Ending in S
64
Most frequent letter
I (136)

Questions

How many 12-letter words matching ____o_o_____ are there?

157. 66 of them are common words.

What is a common example?

ANTHOLOGISTS is among the common words in this set.