8-Letter Words Matching ____M__M

There are 14 8-letter words that match ____M__M. 4 are common words, such as CHROMIUM and DYNAMISM. A rarer one is RACEMISM. In this set, I is the most frequent open letter (14 words). 0 words contain a doubled letter.

Full list 14

chromiumdynamismencomiumoptimismacosmismalarmismdidymiumendemismopiumismseismismtotemismcoremiummelamdimracemism

About this list

Words
14 (4 common words)
Common example
chromium
Rare example
racemism
Doubled letters
0
Ending in S
0
Most frequent letter
I (14)

Questions

How many 8-letter words matching ____m__m are there?

14. 4 of them are common words.

What is a common example?

CHROMIUM is among the common words in this set.