13-Letter Words Matching _____L_P_____

There are 12 13-letter words that match _____L_P_____. 4 are common words, such as BACKSLAPPINGS and ENCYCLOPAEDIA. A rarer one is PHENYLEPHRINE. In this set, I is the most frequent open letter (11 words). 2 words contain a doubled letter.

Full list 12

backslappingsencyclopaediaencyclopaedicencyclopediasapocalypticalencyclopedistapocalyptismsapocalyptistsencyclopedismhyperlipemiasmetallophonesphenylephrine

About this list

Words
12 (4 common words)
Common example
backslappings
Rare example
phenylephrine
Doubled letters
2
Ending in S
6
Most frequent letter
I (11)

Questions

How many 13-letter words matching _____l_p_____ are there?

12. 4 of them are common words.

What is a common example?

BACKSLAPPINGS is among the common words in this set.