12-Letter Words Matching ___I_______M

There are 16 12-letter words that match ___I_______M. 2 are common words, such as ANTISEMITISM and BILINGUALISM. A rarer one is ILLIBERALISM. In this set, I is the most frequent open letter (16 words). 3 words contain a doubled letter.

Full list 16

antisemitismbilingualismantifeminismantihumanismdeviationismheliotropismperinephriumperionychiumradiothoriumunnilpentiumunnilquadiumvigilanteismantiblackismantinepotismhemimorphismilliberalism

About this list

Words
16 (2 common words)
Common example
antisemitism
Rare example
illiberalism
Doubled letters
3
Ending in S
0
Most frequent letter
I (16)

Questions

How many 12-letter words matching ___i_______m are there?

16. 2 of them are common words.

What is a common example?

ANTISEMITISM is among the common words in this set.