13-Letter Words Matching ____C_____N__

There are 13 13-letter words that match ____C_____N__. 5 are common words, such as NONACCEPTANCE and NONOCCURRENCE. A rarer one is TUBOCURARINES. In this set, O is the most frequent open letter (12 words). 3 words contain a doubled letter.

Full list 13

nonacceptancenonoccurrenceovercrowdingsoxyacetylenesunexceptionalassociationalexpectationalflowchartingsovercautionedoverconcernedpolycistronicsafecrackingstubocurarines

About this list

Words
13 (5 common words)
Common example
nonacceptance
Rare example
tubocurarines
Doubled letters
3
Ending in S
5
Most frequent letter
O (12)

Questions

How many 13-letter words matching ____c_____n__ are there?

13. 5 of them are common words.

What is a common example?

NONACCEPTANCE is among the common words in this set.