11-Letter Words Matching _____M____M

There are 12 11-letter words that match _____M____M. 5 are common words, such as ASTIGMATISM and CONDOMINIUM. A rarer one is SUPREMATISM. In this set, I is the most frequent open letter (12 words). 0 words contain a doubled letter.

Full list 12

astigmatismcondominiumconsumerismdeterminismpandemoniumacademicismachromatismsystematismtautomerismeudaemonismeudaimonismsuprematism

About this list

Words
12 (5 common words)
Common example
astigmatism
Rare example
suprematism
Doubled letters
0
Ending in S
0
Most frequent letter
I (12)

Questions

How many 11-letter words matching _____m____m are there?

12. 5 of them are common words.

What is a common example?

ASTIGMATISM is among the common words in this set.