13-Letter Words Matching _____MM______

There are 12 13-letter words that match _____MM______. 5 are common words, such as CONSUMMATIONS and INFLAMMATIONS. A rarer one is PRECOMMITMENT. In this set, I is the most frequent open letter (12 words). 12 words contain a doubled letter.

Full list 12

consummationsinflammationsnoncommercialsubcommitteesungrammaticalsubcommissionaxisymmetriesdiscommendingdissymmetriesnoncommitmentnoncommunistsprecommitment

About this list

Words
12 (5 common words)
Common example
consummations
Rare example
precommitment
Doubled letters
12
Ending in S
6
Most frequent letter
I (12)

Questions

How many 13-letter words matching _____mm______ are there?

12. 5 of them are common words.

What is a common example?

CONSUMMATIONS is among the common words in this set.