11-Letter Words Matching ____I_P____

There are 13 11-letter words that match ____I_P____. 3 are common words, such as BIBLIOPHILE and PREDISPOSED. A rarer one is PLANISPHERE. In this set, O is the most frequent open letter (12 words). 1 words contain a doubled letter.

Full list 13

bibliophilepredisposedpredisposesaposiopesesaposiopesisbibliophagebibliophilybibliopolesoverimpressaposiopeticbibliopegiccardiopathyplanisphere

About this list

Words
13 (3 common words)
Common example
bibliophile
Rare example
planisphere
Doubled letters
1
Ending in S
5
Most frequent letter
O (12)

Questions

How many 11-letter words matching ____i_p____ are there?

13. 3 of them are common words.

What is a common example?

BIBLIOPHILE is among the common words in this set.