10-Letter Words Matching U___F_____

There are 18 10-letter words that match U___F_____. 8 are common words, such as UNAFFECTED and UNDEFEATED. A rarer one is UNSAFETIES. In this set, N is the most frequent open letter (18 words). 8 words contain a doubled letter.

Full list 18

unaffectedundefeatedundefendedunenforceduninfecteduninformedunofficialunreformedupliftingsunoffendedunsafenessunaffluentunbuffereduncoffinedundeformeduninflatedunmufflingunsafeties

About this list

Words
18 (8 common words)
Common example
unaffected
Rare example
unsafeties
Doubled letters
8
Ending in S
3
Most frequent letter
N (18)

Questions

How many 10-letter words matching u___f_____ are there?

18. 8 of them are common words.

What is a common example?

UNAFFECTED is among the common words in this set.