15-Letter Words Matching N____N_________

There are 20 15-letter words that match N____N_________. 6 are common words, such as NATIONALIZATION and NEOCONSERVATIVE. A rarer one is NONSENSICALNESS. In this set, O is the most frequent open letter (20 words). 4 words contain a doubled letter.

Full list 20

nationalizationneoconservativenonconformitiesnonconstructivenoncontributingnoncontributorynonconfidentialnonconformancesnonconventionalneoconservatismnonconcurrencesnonconservationnonconservativenonconsolidatednonconstructionnonconsumptionsnoncontemporarynoncontrollablenonrandomnessesnonsensicalness

About this list

Words
20 (6 common words)
Common example
nationalization
Rare example
nonsensicalness
Doubled letters
4
Ending in S
6
Most frequent letter
O (20)

Questions

How many 15-letter words matching n____n_________ are there?

20. 6 of them are common words.

What is a common example?

NATIONALIZATION is among the common words in this set.