12-Letter Words Matching U____U______

There are 15 12-letter words that match U____U______. 9 are common words, such as UNACCUSTOMED and UNACQUAINTED. A rarer one is USUFRUCTUARY. In this set, N is the most frequent open letter (14 words). 3 words contain a doubled letter.

Full list 15

unaccustomedunacquaintedunassuminglyundocumentedunencumberedunexpurgatedunpopularityunscrupulousunstructuredunrequitedlyunreturnableunthoughtfulunderutilizeunillusionedusufructuary

About this list

Words
15 (9 common words)
Common example
unaccustomed
Rare example
usufructuary
Doubled letters
3
Ending in S
1
Most frequent letter
N (14)

Questions

How many 12-letter words matching u____u______ are there?

15. 9 of them are common words.

What is a common example?

UNACCUSTOMED is among the common words in this set.