10-Letter Words Matching __C____M__

There are 20 10-letter words that match __C____M__. 7 are common words, such as ACCUSTOMED and BACKGAMMON. A rarer one is MICROSOMAL. In this set, O is the most frequent open letter (16 words). 3 words contain a doubled letter.

Full list 20

accustomedbackgammoncockamamiecockscombsdocudramasjackhammerunconsumedfacepalmedabcoulombscycloramasmicrosomesmicrotomesorchardmanbacteremiabacteremiccochairmancochairmencycloramiccyclotomicmicrosomal

About this list

Words
20 (7 common words)
Common example
accustomed
Rare example
microsomal
Doubled letters
3
Ending in S
6
Most frequent letter
O (16)

Questions

How many 10-letter words matching __c____m__ are there?

20. 7 of them are common words.

What is a common example?

ACCUSTOMED is among the common words in this set.