15-Letter Words Matching P_________R____

There are 22 15-letter words that match P_________R____. 2 are common words, such as POLYUNSATURATED and PRETERNATURALLY. A rarer one is PSYCHOBIOGRAPHY. In this set, A is the most frequent open letter (20 words). 3 words contain a doubled letter.

Full list 22

polyunsaturatedpreternaturallyphlebosclerosisphotoelectricalphototelegraphyphototopographyphototypographypiezoelectricalpithecanthropuspolysaccharidespolyunsaturatesparamyxovirusesparthenocarpiespectinesterasesphotoautotrophsphotoelectronicplethysmographsplethysmographypredestinarianspremillenariansprotohistorianspsychobiography

About this list

Words
22 (2 common words)
Common example
polyunsaturated
Rare example
psychobiography
Doubled letters
3
Ending in S
12
Most frequent letter
A (20)

Questions

How many 15-letter words matching p_________r____ are there?

22. 2 of them are common words.

What is a common example?

POLYUNSATURATED is among the common words in this set.