15-Letter Words Matching P_____R________

There are 19 15-letter words that match P_____R________. 6 are common words, such as PASTEURIZATIONS and PEDESTRIANIZING. A rarer one is POSTIRRADIATION. 9 words contain a doubled letter.

Full list 19

pasteurizationspedestrianizingpolymerizationspopularizationsprefabricationspressurizationsphototransistorpainterlinessesparanormalitiesphonogramicallyphotogrammetricphotoproductionphototropicallypleasurablenessplutocraticallypolyacrylamidespolymerisationspolymorphicallypostirradiation

About this list

Words
19 (6 common words)
Common example
pasteurizations
Rare example
postirradiation
Doubled letters
9
Ending in S
10

Questions

How many 15-letter words matching p_____r________ are there?

19. 6 of them are common words.

What is a common example?

PASTEURIZATIONS is among the common words in this set.