15-Letter Words Matching _N_____N_______

There are 31 15-letter words that match _N_____N_______. 13 are common words, such as ENDOCRINOLOGIES and ENDOCRINOLOGIST. A rarer one is UNFEELINGNESSES. In this set, I is the most frequent open letter (30 words). 11 words contain a doubled letter.

Full list 31

Common words

endocrinologiesendocrinologistinconveniencinginterconnectinginterconnectioninterventionisminterventionistuncommunicativeunderhandednessundistinguishedunimaginativelyunpretentiously
endocrinologiesendocrinologistinconveniencinginterconnectinginterconnectioninterventionisminterventionistuncommunicativeunderhandednessundistinguishedunimaginativelyunpretentiouslyunwillingnessesunauthenticatedincessantnessesincommensurableincommunicativeincrementalistsinterconversioninterminabilityinterpenetratedinterpenetratesunattainabilityantipornographyincommensurablyinconvenienciesincrementalismsinterconvertingintergenerationinterlineationsunfeelingnesses

About this list

Words
31 (13 common words)
Common example
endocrinologies
Rare example
unfeelingnesses
Doubled letters
11
Ending in S
10
Most frequent letter
I (30)

Questions

How many 15-letter words matching _n_____n_______ are there?

31. 13 of them are common words.

What is a common example?

ENDOCRINOLOGIES is among the common words in this set.