15-Letter Words Matching ____E_________N

There are 15 15-letter words that match ____E_________N. 3 are common words, such as DIFFERENTIATION and PREREGISTRATION. A rarer one is SEPTENDECILLION. 3 words contain a doubled letter.

Full list 15

differentiationpreregistrationsystematizationproselytizationantiegalitariancatheterizationcholecystokininconveyorizationmathematizationmisrecollectionmisregistrationnonmetropolitanoverelaborationoverexpectationseptendecillion

About this list

Words
15 (3 common words)
Common example
differentiation
Rare example
septendecillion
Doubled letters
3
Ending in S
0

Questions

How many 15-letter words matching ____e_________n are there?

15. 3 of them are common words.

What is a common example?

DIFFERENTIATION is among the common words in this set.