7-Letter Words Matching ___N_P_

There are 13 7-letter words that match ___N_P_. 8 are common words, such as CATNAPS and CATNIPS. A rarer one is TURNUPS. In this set, S is the most frequent open letter (12 words). 2 words contain a doubled letter.

Full list 13

catnapscatnipsgrandpakidnapsprenupsschnapsturnipsunsnapsdognapspetnapssannopssannupsturnups

About this list

Words
13 (8 common words)
Common example
catnaps
Rare example
turnups
Doubled letters
2
Ending in S
12
Most frequent letter
S (12)

Questions

How many 7-letter words matching ___n_p_ are there?

13. 8 of them are common words.

What is a common example?

CATNAPS is among the common words in this set.