15-Letter Words Matching E___________E__

There are 12 15-letter words that match E___________E__. 2 are common words, such as ENFRANCHISEMENT and EXPEDITIOUSNESS. A rarer one is EXHAUSTLESSNESS. In this set, S is the most frequent open letter (12 words). 10 words contain a doubled letter.

Full list 12

enfranchisementexpeditiousnessefficaciousnessextemporarinesseclaircissementemotionlessnessencephalitogensepigrammatizerseverlastingnessexaggeratednessexceptionalnessexhaustlessness

About this list

Words
12 (2 common words)
Common example
enfranchisement
Rare example
exhaustlessness
Doubled letters
10
Ending in S
10
Most frequent letter
S (12)

Questions

How many 15-letter words matching e___________e__ are there?

12. 2 of them are common words.

What is a common example?

ENFRANCHISEMENT is among the common words in this set.