11-Letter Words Matching U_______N__

There are 24 11-letter words that match U_______N__. 15 are common words, such as ULTRASOUNDS and UNBEKNOWNST. A rarer one is UNFOLDMENTS. 3 words contain a doubled letter.

Full list 24

ultrasoundsunbeknownstuncertainlyuncertaintyunconcernedundermannedunderpinnedundersignedunderstandsunderthingsunemotionalunexplainedunmentionedunsweetenedupbringingsuncurtainedunipersonalunsustainedupbraidingsubiquinonesulcerogenicuncaptionedundercountsunfoldments

About this list

Words
24 (15 common words)
Common example
ultrasounds
Rare example
unfoldments
Doubled letters
3
Ending in S
8

Questions

How many 11-letter words matching u_______n__ are there?

24. 15 of them are common words.

What is a common example?

ULTRASOUNDS is among the common words in this set.