12-Letter Words Matching __I________M

There are 14 12-letter words that match __I________M. 2 are common words, such as PHILISTINISM and SPIRITUALISM. A rarer one is UNITARIANISM. In this set, I is the most frequent open letter (14 words). 1 words contain a doubled letter.

Full list 14

philistinismspiritualismepiscopalismepithalamiumphilosophismpoikilothermquinquenniumtriumphalismuniversalismanisotropismepicureanismepileptiformtrimethoprimunitarianism

About this list

Words
14 (2 common words)
Common example
philistinism
Rare example
unitarianism
Doubled letters
1
Ending in S
0
Most frequent letter
I (14)

Questions

How many 12-letter words matching __i________m are there?

14. 2 of them are common words.

What is a common example?

PHILISTINISM is among the common words in this set.