9-Letter Words Matching ____P__I_

There are 23 9-letter words that match ____P__I_. 6 are common words, such as ACROPOLIS and ELLIPSOID. A rarer one is ZOOSPORIC. In this set, O is the most frequent open letter (16 words). 6 words contain a doubled letter.

Full list 23

acropolisellipsoidredepositreexplainsheepskintroopshiphypoploidmonoploidparapodiapeneplainpolyploidpriapitisverapamilaneuploidcatoptricchappatiscocaptaineriophyidhexaploidoctoploidoverplaidpuerperiazoosporic

About this list

Words
23 (6 common words)
Common example
acropolis
Rare example
zoosporic
Doubled letters
6
Ending in S
3
Most frequent letter
O (16)

Questions

How many 9-letter words matching ____p__i_ are there?

23. 6 of them are common words.

What is a common example?

ACROPOLIS is among the common words in this set.