15-Letter Words Matching ______RP_______

There are 18 15-letter words that match ______RP_______. 4 are common words, such as BURGLARPROOFING and REINCORPORATING. A rarer one is POLYMORPHICALLY. In this set, O is the most frequent open letter (17 words). 6 words contain a doubled letter.

Full list 18

burglarproofingreincorporatingreincorporationweatherproofingcounterpetitioncounterplottingcounterpointingcounterpressurecounterproposaluninterpretablecounterpicketedcounterprojectscounterprotestscounterpuncherscounterpunchingmegacorporationmetamorphicallypolymorphically

About this list

Words
18 (4 common words)
Common example
burglarproofing
Rare example
polymorphically
Doubled letters
6
Ending in S
3
Most frequent letter
O (17)

Questions

How many 15-letter words matching ______rp_______ are there?

18. 4 of them are common words.

What is a common example?

BURGLARPROOFING is among the common words in this set.