13-Letter Words Matching _P_________I_

There are 14 13-letter words that match _P_________I_. 3 are common words, such as OPPORTUNISTIC and SPECTROSCOPIC. A rarer one is SPOROPOLLENIN. In this set, O is the most frequent open letter (14 words). 2 words contain a doubled letter.

Full list 14

opportunisticspectroscopicsportsmanshipapheliotropicspectrometricspirochetosisepidemiologicepileptogenicspectatorshipspectinomycinspermatogenicspermatogoniaspokesmanshipsporopollenin

About this list

Words
14 (3 common words)
Common example
opportunistic
Rare example
sporopollenin
Doubled letters
2
Ending in S
1
Most frequent letter
O (14)

Questions

How many 13-letter words matching _p_________i_ are there?

14. 3 of them are common words.

What is a common example?

OPPORTUNISTIC is among the common words in this set.