5-Letter Words Matching __P_N

There are 18 5-letter words that match __P_N. 7 are common words, such as ASPEN and CAPON. A rarer one is YUPON. In this set, I is the most frequent open letter (8 words). 0 words contain a doubled letter.

Full list 18

aspencaponjapanlapinlupinripenunpingiponjuponunpenyaponarpencopenlipinorpinrepinulpanyupon

About this list

Words
18 (7 common words)
Common example
aspen
Rare example
yupon
Doubled letters
0
Ending in S
0
Most frequent letter
I (8)

Questions

How many 5-letter words matching __p_n are there?

18. 7 of them are common words.

What is a common example?

ASPEN is among the common words in this set.