14-Letter Words Matching _____O______M_

There are 12 14-letter words that match _____O______M_. 4 are common words, such as ANTICOMMUNISMS and ANTILOGARITHMS. A rarer one is THIGMOTROPISMS. In this set, S is the most frequent open letter (12 words). 3 words contain a doubled letter.

Full list 12

anticommunismsantilogarithmsmicroorganismspostmodernismsretinoblastomaantinomianismsbibliophilismsceremonialismsodontoglossumssuperorganismsthermotropismsthigmotropisms

About this list

Words
12 (4 common words)
Common example
anticommunisms
Rare example
thigmotropisms
Doubled letters
3
Ending in S
11
Most frequent letter
S (12)

Questions

How many 14-letter words matching _____o______m_ are there?

12. 4 of them are common words.

What is a common example?

ANTICOMMUNISMS is among the common words in this set.