12-Letter Words Matching __O________M

There are 14 12-letter words that match __O________M. 5 are common words, such as ABOLITIONISM and EMOTIONALISM. A rarer one is BRONCHOSPASM. In this set, I is the most frequent open letter (13 words). 1 words contain a doubled letter.

Full list 14

abolitionismemotionalismgeomagnetismisolationismprotactiniumevolutionismphotorealismphototropismprocommunismpropagandismprothalamiumtroglodytismapocalyptismbronchospasm

About this list

Words
14 (5 common words)
Common example
abolitionism
Rare example
bronchospasm
Doubled letters
1
Ending in S
0
Most frequent letter
I (13)

Questions

How many 12-letter words matching __o________m are there?

14. 5 of them are common words.

What is a common example?

ABOLITIONISM is among the common words in this set.