14-Letter Words Matching ________O___M_

There are 21 14-letter words that match ________O___M_. 6 are common words, such as EXHIBITIONISMS and EXPRESSIONISMS. A rarer one is THIGMOTROPISMS. In this set, S is the most frequent open letter (21 words). 6 words contain a doubled letter.

Full list 21

exhibitionismsexpressionismsimpressionismsparallelogramsperfectionismsprotectionismsencephalogramsroentgenogramsaldosteronismsantiterrorismsautoradiogramscholangiogramsdecamethoniumsfeuilletonismshexamethoniumsinterferogramsodontoglossumsphotochromismsplethysmogramsthermotropismsthigmotropisms

About this list

Words
21 (6 common words)
Common example
exhibitionisms
Rare example
thigmotropisms
Doubled letters
6
Ending in S
21
Most frequent letter
S (21)

Questions

How many 14-letter words matching ________o___m_ are there?

21. 6 of them are common words.

What is a common example?

EXHIBITIONISMS is among the common words in this set.