10-Letter Words Matching U________R

There are 23 10-letter words that match U________R. 15 are common words, such as UNBELIEVER and UNCOMMONER. A rarer one is URINOMETER. In this set, N is the most frequent open letter (22 words). 5 words contain a doubled letter.

Full list 23

unbelieveruncommonerundercoverundertakerunderwaterunfamiliarungainlierunkindlierunlikelierunlovelierunseemlierunsteadieruntimelierunwieldierunworthierunderfloorunderlayerunderminerunilocularumbelliferundersteeruntogetherurinometer

About this list

Words
23 (15 common words)
Common example
unbeliever
Rare example
urinometer
Doubled letters
5
Ending in S
0
Most frequent letter
N (22)

Questions

How many 10-letter words matching u________r are there?

23. 15 of them are common words.

What is a common example?

UNBELIEVER is among the common words in this set.