10-Letter Words Matching ____M____N

There are 25 10-letter words that match ____M____N. 15 are common words, such as ASSUMPTION and AUTOMATION. A rarer one is RIFAMPICIN. In this set, I is the most frequent open letter (24 words). 6 words contain a doubled letter.

Full list 25

Common words

assumptionautomationdecimationdefamationestimationexhumationgrammarianhandmaidenintimationlocomotionpostmodernpreemption
assumptionautomationdecimationdefamationestimationexhumationgrammarianhandmaidenintimationlocomotionpostmodernpreemptionragamuffinredemptionresumptionactomyosincalamondinfreemartininhumationsquamationantimodernchromaffinivermectinmeromyosinrifampicin

About this list

Words
25 (15 common words)
Common example
assumption
Rare example
rifampicin
Doubled letters
6
Ending in S
0
Most frequent letter
I (24)

Questions

How many 10-letter words matching ____m____n are there?

25. 15 of them are common words.

What is a common example?

ASSUMPTION is among the common words in this set.