9-Letter Words Matching ____M_O__

There are 21 9-letter words that match ____M_O__. 8 are common words, such as DECOMPOSE and DISEMBODY. A rarer one is UNTIMEOUS. 8 words contain a doubled letter.

Full list 21

decomposedisembodydreamboatextemporeincommoderecomposesteamboatsteamrollacromionsbroomcorncarambolacolumbouskrummhornpsalmbookrocambolethermionscorymbosefolkmootskrummholzresummonsuntimeous

About this list

Words
21 (8 common words)
Common example
decompose
Rare example
untimeous
Doubled letters
8
Ending in S
6

Questions

How many 9-letter words matching ____m_o__ are there?

21. 8 of them are common words.

What is a common example?

DECOMPOSE is among the common words in this set.