7-Letter Words Matching ____MO_

There are 16 7-letter words that match ____MO_. 3 are common words, such as DYNAMOS and FLUMMOX. A rarer one is SHAMMOS. In this set, S is the most frequent open letter (9 words). 4 words contain a doubled letter.

Full list 16

dynamosflummoxthermosstepmomeudemonplasmonrollmoptelamontinamoubayamoschromosfilemotfolkmotparamospsammonshammos

About this list

Words
16 (3 common words)
Common example
dynamos
Rare example
shammos
Doubled letters
4
Ending in S
6
Most frequent letter
S (9)

Questions

How many 7-letter words matching ____mo_ are there?

16. 3 of them are common words.

What is a common example?

DYNAMOS is among the common words in this set.