7-Letter Words Matching U____P_

There are 18 7-letter words that match U____P_. 6 are common words, such as UNHAPPY and UNKEMPT. A rarer one is UPSTEPS. In this set, S is the most frequent open letter (13 words). 3 words contain a doubled letter.

Full list 18

unhappyunkemptunsnapsunstopsunwrapsupkeepsundrapeupsweptuptempounclipsunshipsunstepsunsweptupheapsupleapsupleaptuppropsupsteps

About this list

Words
18 (6 common words)
Common example
unhappy
Rare example
upsteps
Doubled letters
3
Ending in S
11
Most frequent letter
S (13)

Questions

How many 7-letter words matching u____p_ are there?

18. 6 of them are common words.

What is a common example?

UNHAPPY is among the common words in this set.