13-Letter Words Matching U_________G__

There are 13 13-letter words that match U_________G__. 4 are common words, such as UNAPPEALINGLY and UNFLINCHINGLY. A rarer one is UNREASONINGLY. In this set, N is the most frequent open letter (13 words). 2 words contain a doubled letter.

Full list 13

unappealinglyunflinchinglyunrelentinglyunremittinglyunbelievinglyunderstrengthundiscourageduninspiringlyunpromisinglyunresistinglyundeviatinglyunfalteringlyunreasoningly

About this list

Words
13 (4 common words)
Common example
unappealingly
Rare example
unreasoningly
Doubled letters
2
Ending in S
0
Most frequent letter
N (13)

Questions

How many 13-letter words matching u_________g__ are there?

13. 4 of them are common words.

What is a common example?

UNAPPEALINGLY is among the common words in this set.