9-Letter Words Matching _____EP__

There are 13 9-letter words that match _____EP__. 7 are common words, such as BARKEEPER and BEEKEEPER. A rarer one is THIOTEPAS. In this set, A is the most frequent open letter (8 words). 7 words contain a doubled letter.

Full list 13

barkeeperbeekeepercatalepsycoffeepotinnkeepertranseptszookeepercandlepinchassepotorthoepicreacceptssynalephathiotepas

About this list

Words
13 (7 common words)
Common example
barkeeper
Rare example
thiotepas
Doubled letters
7
Ending in S
3
Most frequent letter
A (8)

Questions

How many 9-letter words matching _____ep__ are there?

13. 7 of them are common words.

What is a common example?

BARKEEPER is among the common words in this set.