15-Letter Words Matching _____N________N

There are 23 15-letter words that match _____N________N. 11 are common words, such as DEMAGNETIZATION and DISCONTINUATION. A rarer one is SEPTENDECILLION. 2 words contain a doubled letter.

Full list 23

demagnetizationdiscontinuationexternalizationindemnificationinternalizationmarginalizationmisconstructionnationalizationpersonificationprekindergartenrationalizationastronavigationcriminalizationpersonalizationproconservationdiagonalizationexternalisationnonconservationnonconstructionpostinoculationprecancellationregionalizationseptendecillion

About this list

Words
23 (11 common words)
Common example
demagnetization
Rare example
septendecillion
Doubled letters
2
Ending in S
0

Questions

How many 15-letter words matching _____n________n are there?

23. 11 of them are common words.

What is a common example?

DEMAGNETIZATION is among the common words in this set.