12-Letter Words Matching __O____O____

There are 60 12-letter words that match __O____O____. 24 are common words, such as ABOLITIONISM and ABOLITIONIST. A rarer one is TROPOMYOSINS. In this set, S is the most frequent open letter (45 words). 7 words contain a doubled letter.

Full list 60

Common words

abolitionismabolitionistaforethoughtagoraphobiasagoraphobicselocutionaryelocutionistevolutionaryevolutionistexobiologiesglobetrotterisolationism
abolitionismabolitionistaforethoughtagoraphobiasagoraphobicselocutionaryelocutionistevolutionaryevolutionistexobiologiesglobetrotterisolationismisolationistprobationaryprobationersprodigiouslyprofessorialpromontoriespropitiouslyprosperouslyprotectorateprovisioningstockbrokersstockbrokingchondriosomeevolutionismexobiologistglobeflowersgnotobioticsidolatrouslyisometropiasodontologistonomasiologyphototropismproctologiesproctologistprofessorateprothonotaryprototrophicprotozoologyprovisionerstrophozoitesabolitionarydeontologiesdeontologistgeohydrologyneoorthodoxyphotobiologyphotogeologyphotophobiasphotoproductprofessoriatprogestogenspropranololsprosauropodsprotectoriesprovisionalsprovisionarysnollygostertropomyosins

About this list

Words
60 (24 common words)
Common example
abolitionism
Rare example
tropomyosins
Doubled letters
7
Ending in S
20
Most frequent letter
S (45)

Questions

How many 12-letter words matching __o____o____ are there?

60. 24 of them are common words.

What is a common example?

ABOLITIONISM is among the common words in this set.