12-Letter Words Matching _____M_____R

There are 16 12-letter words that match _____M_____R. 5 are common words, such as COMMEMORATOR and CONTAMINATOR. A rarer one is SYSTEMATIZER. In this set, A is the most frequent open letter (14 words). 7 words contain a doubled letter.

Full list 16

commemoratorcontaminatordissimulatorexterminatormisdemeanourcontemplatordisseminatormicromanagerpredominatorsubcommanderacclimatizeraccommodatorcircumcenterdeterminatorintermeddlersystematizer

About this list

Words
16 (5 common words)
Common example
commemorator
Rare example
systematizer
Doubled letters
7
Ending in S
0
Most frequent letter
A (14)

Questions

How many 12-letter words matching _____m_____r are there?

16. 5 of them are common words.

What is a common example?

COMMEMORATOR is among the common words in this set.