9-Letter Words Matching ___M_U___

There are 18 9-letter words that match ___M_U___. 14 are common words, such as BADMOUTHS and BIGMOUTHS. A rarer one is WARMOUTHS. 2 words contain a doubled letter.

Full list 18

badmouthsbigmouthsclamoureddismountsenamouredglamouredgrampusesharmfullyhoumousesreimburserhombusessurmountsswimsuitsvermouthsseamountsdoomfullyrhamnuseswarmouths

About this list

Words
18 (14 common words)
Common example
badmouths
Rare example
warmouths
Doubled letters
2
Ending in S
12

Questions

How many 9-letter words matching ___m_u___ are there?

18. 14 of them are common words.

What is a common example?

BADMOUTHS is among the common words in this set.