15-Letter Words Matching P__________R___

There are 14 15-letter words that match P__________R___. 3 are common words, such as PARLIAMENTARIAN and PHANTASMAGORIAS. A rarer one is PSYCHOSURGERIES. In this set, I is the most frequent open letter (13 words). 1 words contain a doubled letter.

Full list 14

parliamentarianphantasmagoriasprekindergartenpharmacotherapyphotomicrographphenylthioureasphotolithographphrasemongeringplatitudinarianpostmillenarianprotoporphyrinspsychohistorianpsychohistoriespsychosurgeries

About this list

Words
14 (3 common words)
Common example
parliamentarian
Rare example
psychosurgeries
Doubled letters
1
Ending in S
5
Most frequent letter
I (13)

Questions

How many 15-letter words matching p__________r___ are there?

14. 3 of them are common words.

What is a common example?

PARLIAMENTARIAN is among the common words in this set.