12-Letter Words Matching __R________M

There are 14 12-letter words that match __R________M. 3 are common words, such as BARBARIANISM and MERCANTILISM. A rarer one is PARKINSONISM. In this set, I is the most frequent open letter (13 words). 0 words contain a doubled letter.

Full list 14

barbarianismmercantilismparochialismaeroembolismchromaticismchromatogrammercurialismparachronismparamorphismperinephriumperionychiumserpentiformstrychninismparkinsonism

About this list

Words
14 (3 common words)
Common example
barbarianism
Rare example
parkinsonism
Doubled letters
0
Ending in S
0
Most frequent letter
I (13)

Questions

How many 12-letter words matching __r________m are there?

14. 3 of them are common words.

What is a common example?

BARBARIANISM is among the common words in this set.