12-Letter Words Matching ____M______T

There are 13 12-letter words that match ____M______T. 2 are common words, such as ENTOMOLOGIST and SEISMOLOGIST. A rarer one is UNCOMPLACENT. In this set, I is the most frequent open letter (12 words). 4 words contain a doubled letter.

Full list 13

entomologistseismologistaccompanyistrecommitmenttriumphalistassemblagistautomobilistenzymologistnonimmigrantpostmidnightpragmaticistsnowmobilistuncomplacent

About this list

Words
13 (2 common words)
Common example
entomologist
Rare example
uncomplacent
Doubled letters
4
Ending in S
0
Most frequent letter
I (12)

Questions

How many 12-letter words matching ____m______t are there?

13. 2 of them are common words.

What is a common example?

ENTOMOLOGIST is among the common words in this set.