10-Letter Words Matching ___N___P__

There are 13 10-letter words that match ___N___P__. 4 are common words, such as CORNUCOPIA and LAGNIAPPES. A rarer one is TOWNSCAPES. In this set, E is the most frequent open letter (11 words). 3 words contain a doubled letter.

Full list 13

cornucopialagniappesmoonscapesstandpipeschinquapinisentropicphenotypesphenotypicpinnatipedstenotopicstenotypedstenotypestownscapes

About this list

Words
13 (4 common words)
Common example
cornucopia
Rare example
townscapes
Doubled letters
3
Ending in S
6
Most frequent letter
E (11)

Questions

How many 10-letter words matching ___n___p__ are there?

13. 4 of them are common words.

What is a common example?

CORNUCOPIA is among the common words in this set.