15-Letter Words Matching ____P____N_____

There are 12 15-letter words that match ____P____N_____. 5 are common words, such as AMORPHOUSNESSES and DECEPTIVENESSES. A rarer one is POSTPOLLINATION. 11 words contain a doubled letter.

Full list 12

amorphousnessesdeceptivenessesoutspokennessesreceptivenessessleeplessnessesunimplementableinapprehensibleincapablenessesinopportunenessacceptingnessesexemplarinessespostpollination

About this list

Words
12 (5 common words)
Common example
amorphousnesses
Rare example
postpollination
Doubled letters
11
Ending in S
9

Questions

How many 15-letter words matching ____p____n_____ are there?

12. 5 of them are common words.

What is a common example?

AMORPHOUSNESSES is among the common words in this set.