12-Letter Words Matching ___M_______N

There are 21 12-letter words that match ___M_______N. 9 are common words, such as AUGMENTATION and COMMENDATION. A rarer one is SLUMPFLATION. In this set, O is the most frequent open letter (21 words). 4 words contain a doubled letter.

Full list 21

augmentationcommendationcommitteemancommitteemencosmopolitanfermentationpigmentationpromulgationsegmentationalimentationchymotrypsindermabrasiongeometricianhaematoxylonpremigrationreimpositionreimpressionrhombohedronbiometricianonomasticianslumpflation

About this list

Words
21 (9 common words)
Common example
augmentation
Rare example
slumpflation
Doubled letters
4
Ending in S
0
Most frequent letter
O (21)

Questions

How many 12-letter words matching ___m_______n are there?

21. 9 of them are common words.

What is a common example?

AUGMENTATION is among the common words in this set.