12-Letter Words Matching _I_________M

There are 19 12-letter words that match _I_________M. 3 are common words, such as BICAMERALISM and BILINGUALISM. A rarer one is PICTORIALISM. In this set, I is the most frequent open letter (17 words). 3 words contain a doubled letter.

Full list 19

bicameralismbilingualismdilettantismdialecticismdiamagnetismdiastrophismdichromatismdiverticulumfibrilliformhibernaculummicroprogrammithridatismnielsbohriumsituationismvigilanteismxiphisternumbilateralismdiffusionismpictorialism

About this list

Words
19 (3 common words)
Common example
bicameralism
Rare example
pictorialism
Doubled letters
3
Ending in S
0
Most frequent letter
I (17)

Questions

How many 12-letter words matching _i_________m are there?

19. 3 of them are common words.

What is a common example?

BICAMERALISM is among the common words in this set.