15-Letter Words Matching _________N_N___

There are 16 15-letter words that match _________N_N___. 6 are common words, such as DISCOUNTENANCED and DISCOUNTENANCES. A rarer one is UNFORGIVINGNESS. In this set, S is the most frequent open letter (15 words). 10 words contain a doubled letter.

Full list 16

discountenanceddiscountenancesdishearteninglypostconsonantaluncomplaininglyunquestioninglyforthcomingnessinopportunenessoverbearingnessclandestinenessdomineeringnesseverlastingnessinterestingnessprecipitantnesstransparentnessunforgivingness

About this list

Words
16 (6 common words)
Common example
discountenanced
Rare example
unforgivingness
Doubled letters
10
Ending in S
11
Most frequent letter
S (15)

Questions

How many 15-letter words matching _________n_n___ are there?

16. 6 of them are common words.

What is a common example?

DISCOUNTENANCED is among the common words in this set.