15-Letter Words Matching ____N________T_

There are 13 15-letter words that match ____N________T_. 3 are common words, such as DISENCHANTMENTS and IMPENETRABILITY. A rarer one is NONINVOLVEMENTS. In this set, E is the most frequent open letter (12 words). 1 words contain a doubled letter.

Full list 13

disenchantmentsimpenetrabilityrelinquishmentsdemonstrabilityimponderabilityinconsolabilityorganophosphatereconcilabilityunmanageabilityarrondissementsextinguishmentsnonenforcementsnoninvolvements

About this list

Words
13 (3 common words)
Common example
disenchantments
Rare example
noninvolvements
Doubled letters
1
Ending in S
6
Most frequent letter
E (12)

Questions

How many 15-letter words matching ____n________t_ are there?

13. 3 of them are common words.

What is a common example?

DISENCHANTMENTS is among the common words in this set.