13-Letter Words Matching ______E_N____

There are 19 13-letter words that match ______E_N____. 8 are common words, such as BICENTENNIALS and DECAFFEINATED. A rarer one is SUBGOVERNMENT. In this set, I is the most frequent open letter (15 words). 7 words contain a doubled letter.

Full list 19

bicentennialsdecaffeinateddecaffeinatesindiscerniblemisdemeanoursmisgovernmentparaphernaliaunconcernedlyindiscerniblyprogovernmentsempiternallybimillennialschameleonlikeepicureanismsmisdemeanantsnongovernmentquinquennialsquinquenniumssubgovernment

About this list

Words
19 (8 common words)
Common example
bicentennials
Rare example
subgovernment
Doubled letters
7
Ending in S
8
Most frequent letter
I (15)

Questions

How many 13-letter words matching ______e_n____ are there?

19. 8 of them are common words.

What is a common example?

BICENTENNIALS is among the common words in this set.