14-Letter Words Matching A___P_________

There are 15 14-letter words that match A___P_________. 2 are common words, such as ACCEPTABLENESS and ANTIPERSPIRANT. A rarer one is AUTOPOLYPLOIDY. In this set, I is the most frequent open letter (14 words). 6 words contain a doubled letter.

Full list 15

acceptablenessantiperspirantasymptoticallyantipatheticalantiphlogisticantipsychoticsallopatricallyallopolyploidsallopolyploidyanalphabetismsantepenultimasantiparasiticsantipollutionsautopolyploidsautopolyploidy

About this list

Words
15 (2 common words)
Common example
acceptableness
Rare example
autopolyploidy
Doubled letters
6
Ending in S
8
Most frequent letter
I (14)

Questions

How many 14-letter words matching a___p_________ are there?

15. 2 of them are common words.

What is a common example?

ACCEPTABLENESS is among the common words in this set.