5-Letter Words Matching _U_M_

There are 12 5-letter words that match _U_M_. 6 are common words, such as DUMMY and GUMMY. A rarer one is MUMMS. In this set, M is the most frequent open letter (9 words). 9 words contain a doubled letter.

Full list 12

dummygummymummyrummytummyyummyculmsduomogummasummaduomimumms

About this list

Words
12 (6 common words)
Common example
dummy
Rare example
mumms
Doubled letters
9
Ending in S
2
Most frequent letter
M (9)

Questions

How many 5-letter words matching _u_m_ are there?

12. 6 of them are common words.

What is a common example?

DUMMY is among the common words in this set.