4-Letter Words Matching P_R_

There are 23 4-letter words that match P_R_. 16 are common words, such as PARA and PARE. A rarer one is PURS. In this set, E is the most frequent open letter (9 words). 2 words contain a doubled letter.

Full list 23

parapareparkparspartperkpermpertporeporkportpurepurlpurrpyrepardparrperipervpirnpuripursporn

About this list

Words
23 (16 common words)
Common example
para
Rare example
purs
Doubled letters
2
Ending in S
2
Most frequent letter
E (9)

Questions

How many 4-letter words matching p_r_ are there?

23. 16 of them are common words.

What is a common example?

PARA is among the common words in this set.