11-Letter Words Matching ___P__P____

There are 13 11-letter words that match ___P__P____. 3 are common words, such as COPPERPLATE and SLAPHAPPIER. A rarer one is TRYPTOPHANE. 3 words contain a doubled letter.

Full list 13

copperplateslaphappiertropospherecarposporesisopropanollamprophyretrophoplasmtryptophanswampumpeagsdispeoplingprepreparedtamperprooftryptophane

About this list

Words
13 (3 common words)
Common example
copperplate
Rare example
tryptophane
Doubled letters
3
Ending in S
3

Questions

How many 11-letter words matching ___p__p____ are there?

13. 3 of them are common words.

What is a common example?

COPPERPLATE is among the common words in this set.