13-Letter Words Matching ____P__L_____

There are 15 13-letter words that match ____P__L_____. 5 are common words, such as ANTIPOLLUTION and ENCAPSULATING. A rarer one is THEOPHYLLINES. In this set, I is the most frequent open letter (14 words). 8 words contain a doubled letter.

Full list 15

antipollutionencapsulatingencapsulationsleepwalkingsunappealinglyencephalogramincapablenessphospholipidephospholipidsequipollencesequipollentlyphospholipasepyrophyllitesstreptolysinstheophyllines

About this list

Words
15 (5 common words)
Common example
antipollution
Rare example
theophyllines
Doubled letters
8
Ending in S
7
Most frequent letter
I (14)

Questions

How many 13-letter words matching ____p__l_____ are there?

15. 5 of them are common words.

What is a common example?

ANTIPOLLUTION is among the common words in this set.