14-Letter Words Matching _____N_______N

There are 14 14-letter words that match _____N_______N. 1 are common words, such as AUTHENTICATION and COMMENSURATION. A rarer one is UNDERNUTRITION. In this set, O is the most frequent open letter (13 words). 2 words contain a doubled letter.

Full list 14

authenticationcommensurationdisconsolationmyelencephalonprecancelationretransmissionrhinencephaloncotransductiongemeinschaftennonconsumptionpreponderationprosencephalonsupernutritionundernutrition

About this list

Words
14 (1 common words)
Common example
authentication
Rare example
undernutrition
Doubled letters
2
Ending in S
0
Most frequent letter
O (13)

Questions

How many 14-letter words matching _____n_______n are there?

14. 1 of them are common words.

What is a common example?

AUTHENTICATION is among the common words in this set.