13-Letter Words Matching __A_____P____

There are 17 13-letter words that match __A_____P____. 9 are common words, such as PEACEKEEPINGS and PHARMACOPEIAS. A rarer one is URANOGRAPHIES. In this set, R is the most frequent open letter (15 words). 5 words contain a doubled letter.

Full list 17

peacekeepingspharmacopeiaspharmacopoeiasharecropperssharecroppingtranscriptiontransshipmenttransshippingunanticipatedbrachycephalyclaustrophobeflavopurpurinplanographiestranscriptivepharmacopeialtranscriptaseuranographies

About this list

Words
17 (9 common words)
Common example
peacekeepings
Rare example
uranographies
Doubled letters
5
Ending in S
5
Most frequent letter
R (15)

Questions

How many 13-letter words matching __a_____p____ are there?

17. 9 of them are common words.

What is a common example?

PEACEKEEPINGS is among the common words in this set.