15-Letter Words Matching __E_P__________

There are 16 15-letter words that match __E_P__________. 5 are common words, such as EXEMPLIFICATION and INEXPENSIVENESS. A rarer one is STEEPLECHASINGS. In this set, I is the most frequent open letter (15 words). 6 words contain a doubled letter.

Full list 16

exemplificationinexpensivenessoverpopulationsoverproductionssleeplessnessesexemplificativeinexplicabilityoverpessimisticoverprescribingoverprotectionsunemployabilityexemplarinessesoverpersuasionsoverprogrammingoverproportionssteeplechasings

About this list

Words
16 (5 common words)
Common example
exemplification
Rare example
steeplechasings
Doubled letters
6
Ending in S
9
Most frequent letter
I (15)

Questions

How many 15-letter words matching __e_p__________ are there?

16. 5 of them are common words.

What is a common example?

EXEMPLIFICATION is among the common words in this set.