15-Letter Words Matching P_N____________

There are 14 15-letter words that match P_N____________. 4 are common words, such as PENETRABILITIES and PENURIOUSNESSES. A rarer one is PUNISHABILITIES. 7 words contain a doubled letter.

Full list 14

penetrabilitiespenuriousnessesponderousnessespunctiliousnesspantheisticallypantisocraticalpantisocratistspendulousnessespentobarbitonespinealectomizedpinealectomizespinheadednessespinocytoticallypunishabilities

About this list

Words
14 (4 common words)
Common example
penetrabilities
Rare example
punishabilities
Doubled letters
7
Ending in S
10

Questions

How many 15-letter words matching p_n____________ are there?

14. 4 of them are common words.

What is a common example?

PENETRABILITIES is among the common words in this set.