12-Letter Words Matching ____N__U____

There are 13 12-letter words that match ____N__U____. 2 are common words, such as INCONCLUSIVE and NONINCLUSIVE. A rarer one is UNPUNCTUATED. 2 words contain a doubled letter.

Full list 13

inconclusivenoninclusiveincongruencesubinfeudategroundburstsnoninclusionnoninfluencenonintrusivepreannouncedpreannouncesrecontouringunconfoundedunpunctuated

About this list

Words
13 (2 common words)
Common example
inconclusive
Rare example
unpunctuated
Doubled letters
2
Ending in S
2

Questions

How many 12-letter words matching ____n__u____ are there?

13. 2 of them are common words.

What is a common example?

INCONCLUSIVE is among the common words in this set.