13-Letter Words Matching ______NN_____

There are 14 13-letter words that match ______NN_____. 6 are common words, such as DRUNKENNESSES and FOREIGNNESSES. A rarer one is MISCHANNELLED. In this set, E is the most frequent open letter (14 words). 14 words contain a doubled letter.

Full list 14

drunkennessesforeignnessesmillionnairessuperannuatedsuperannuatesuncleannessesforlornnessesquadrenniallysuperannuablebetweennessesingrownnessesinhumannessesmischannelingmischannelled

About this list

Words
14 (6 common words)
Common example
drunkennesses
Rare example
mischannelled
Doubled letters
14
Ending in S
9
Most frequent letter
E (14)

Questions

How many 13-letter words matching ______nn_____ are there?

14. 6 of them are common words.

What is a common example?

DRUNKENNESSES is among the common words in this set.