14-Letter Words Matching ________P__I__

There are 18 14-letter words that match ________P__I__. 2 are common words, such as HYPERTROPHYING and PHARMACOPOEIAS. A rarer one is PHOTOCOMPOSING. In this set, O is the most frequent open letter (18 words). 2 words contain a doubled letter.

Full list 18

hypertrophyingpharmacopoeiasmercaptopurinenorepinephrineallopolyploidsallopolyploidyantimonopolistautopolyploidsautopolyploidycephalosporinschlorpropamideendopolyploidyhydroxyapatitehygroscopicityintercomparingpanleukopeniaspharmacopoeialphotocomposing

About this list

Words
18 (2 common words)
Common example
hypertrophying
Rare example
photocomposing
Doubled letters
2
Ending in S
5
Most frequent letter
O (18)

Questions

How many 14-letter words matching ________p__i__ are there?

18. 2 of them are common words.

What is a common example?

HYPERTROPHYING is among the common words in this set.