9-Letter Words Matching ___P_P___

There are 12 9-letter words that match ___P_P___. 4 are common words, such as BAGPIPERS and DYSPEPSIA. A rarer one is TARPAPERS. In this set, E is the most frequent open letter (11 words). 4 words contain a doubled letter.

Full list 12

bagpipersdyspepsiadyspepticflypapersendpaperssoupspooneyepoppergunpapersjoypoppedjoypopperoilpaperstarpapers

About this list

Words
12 (4 common words)
Common example
bagpipers
Rare example
tarpapers
Doubled letters
4
Ending in S
6
Most frequent letter
E (11)

Questions

How many 9-letter words matching ___p_p___ are there?

12. 4 of them are common words.

What is a common example?

BAGPIPERS is among the common words in this set.