7-Letter Words Matching ___MU__

There are 19 7-letter words that match ___MU__. 12 are common words, such as AZIMUTH and BISMUTH. A rarer one is VERMUTH. In this set, E is the most frequent open letter (10 words). 5 words contain a doubled letter.

Full list 19

azimuthbismuthcommunecommuteearmuffformulamurmursmuumuuspermuteschmuckstimuliwarmupsgemmuleplumuleprimulabesmutseremuripremunevermuth

About this list

Words
19 (12 common words)
Common example
azimuth
Rare example
vermuth
Doubled letters
5
Ending in S
4
Most frequent letter
E (10)

Questions

How many 7-letter words matching ___mu__ are there?

19. 12 of them are common words.

What is a common example?

AZIMUTH is among the common words in this set.