13-Letter Words Matching _O_____M_____

There are 21 13-letter words that match _O_____M_____. 6 are common words, such as COMPARTMENTAL and CONCERTMASTER. A rarer one is WORRISOMENESS. In this set, N is the most frequent open letter (19 words). 6 words contain a doubled letter.

Full list 21

compartmentalconcertmastercountermandedloathsomenessnonautomotivenonjudgmentalcountermelodycounterminingholidaymakerslonganimitiesmonogrammaticmonosymmetricnonparametrictoothsomenesscompartmentedcondylomatouscountermovinglogogrammaticnonincumbentsnonleguminousworrisomeness

About this list

Words
21 (6 common words)
Common example
compartmental
Rare example
worrisomeness
Doubled letters
6
Ending in S
8
Most frequent letter
N (19)

Questions

How many 13-letter words matching _o_____m_____ are there?

21. 6 of them are common words.

What is a common example?

COMPARTMENTAL is among the common words in this set.