9-Letter Words Matching ___U_M___

There are 13 9-letter words that match ___U_M___. 5 are common words, such as ANNULMENT and RESUBMITS. A rarer one is THRUMMIER. 11 words contain a doubled letter.

Full list 13

annulmentresubmitsstrummingthrummingvacuumingscrummagescrummingbemurmursdegummingresummonsstrummersthrummersthrummier

About this list

Words
13 (5 common words)
Common example
annulment
Rare example
thrummier
Doubled letters
11
Ending in S
5

Questions

How many 9-letter words matching ___u_m___ are there?

13. 5 of them are common words.

What is a common example?

ANNULMENT is among the common words in this set.