4-Letter Words Matching P_S_

There are 16 4-letter words that match P_S_. 12 are common words, such as PASS and PAST. A rarer one is PISO. In this set, O is the most frequent open letter (6 words). 4 words contain a doubled letter.

Full list 16

passpastpesopestpissposeposhpostposypsstpushpusspasepashpishpiso

About this list

Words
16 (12 common words)
Common example
pass
Rare example
piso
Doubled letters
4
Ending in S
3
Most frequent letter
O (6)

Questions

How many 4-letter words matching p_s_ are there?

16. 12 of them are common words.

What is a common example?

PASS is among the common words in this set.