15-Letter Words Matching _O___P_________

There are 22 15-letter words that match _O___P_________. 4 are common words, such as CONCEPTUALIZING and COSMOPOLITANISM. A rarer one is POSTAPOCALYPTIC. In this set, I is the most frequent open letter (21 words). 2 words contain a doubled letter.

Full list 22

conceptualizingcosmopolitanismnondepartmentalnondepreciatingcosmopolitanizehomeopathicallynonexperimentalpostoperativelyconceptualisingconceptualisticconceptualitiesconceptualizersionosphericallymonospecificitynonexploitationnonexploitativenonimplicationsnonimportationsnonreproduciblenonreproductivenonsaponifiablepostapocalyptic

About this list

Words
22 (4 common words)
Common example
conceptualizing
Rare example
postapocalyptic
Doubled letters
2
Ending in S
4
Most frequent letter
I (21)

Questions

How many 15-letter words matching _o___p_________ are there?

22. 4 of them are common words.

What is a common example?

CONCEPTUALIZING is among the common words in this set.