13-Letter Words Matching U_____M______

There are 12 13-letter words that match U_____M______. 4 are common words, such as UNACCOMPANIED and UNCEREMONIOUS. A rarer one is UNINTIMIDATED. In this set, N is the most frequent open letter (12 words). 6 words contain a doubled letter.

Full list 12

unaccompaniedunceremoniousunderemployedungrammaticalunassimilableunassimilatedunderemphasisuniformnessesunrecommendedunrecompensedunderemphasesunintimidated

About this list

Words
12 (4 common words)
Common example
unaccompanied
Rare example
unintimidated
Doubled letters
6
Ending in S
4
Most frequent letter
N (12)

Questions

How many 13-letter words matching u_____m______ are there?

12. 4 of them are common words.

What is a common example?

UNACCOMPANIED is among the common words in this set.