12-Letter Words Matching __M___O_____

There are 20 12-letter words that match __M___O_____. 8 are common words, such as BOMBPROOFING and COMMEMORATED. A rarer one is SEMIOLOGISTS. 9 words contain a doubled letter.

Full list 20

bombproofingcommemoratedcommemoratescommemoratorcomptrollersnamedroppingrumormongerssemitropicalgymnosophisthemichordateimmethodicalsemiologicalunmethodicalgemmologistshemoproteinshomeomorphiclimnologicallimnologistsmammalogistssemiologists

About this list

Words
20 (8 common words)
Common example
bombproofing
Rare example
semiologists
Doubled letters
9
Ending in S
8

Questions

How many 12-letter words matching __m___o_____ are there?

20. 8 of them are common words.

What is a common example?

BOMBPROOFING is among the common words in this set.