15-Letter Words Matching ____P_R________

There are 19 15-letter words that match ____P_R________. 8 are common words, such as ANTIPERSPIRANTS and DISAPPROBATIONS. A rarer one is UNCOPYRIGHTABLE. In this set, I is the most frequent open letter (19 words). 12 words contain a doubled letter.

Full list 19

antiperspirantsdisapprobationsmisapprehendingmisapprehensionmisappropriatedmisappropriatesreapportionmentwhippersnappersantiperistalsisinopportunenessirreparablenessmisapprehensiveantipornographyendoparasitismsinseparablenessoverpersuasionssemipornographysnippersnappersuncopyrightable

About this list

Words
19 (8 common words)
Common example
antiperspirants
Rare example
uncopyrightable
Doubled letters
12
Ending in S
11
Most frequent letter
I (19)

Questions

How many 15-letter words matching ____p_r________ are there?

19. 8 of them are common words.

What is a common example?

ANTIPERSPIRANTS is among the common words in this set.