15-Letter Words Matching E___O__________

There are 12 15-letter words that match E___O__________. 2 are common words, such as ELABORATENESSES and EXPLOSIVENESSES. A rarer one is EUTROPHICATIONS. 5 words contain a doubled letter.

Full list 12

elaboratenessesexplosivenesseseconometriciansethnocentricityethnomusicologyeconometricallyemployabilitiesepizootiologiesethnohistoriansethnohistoricaleudiometricallyeutrophications

About this list

Words
12 (2 common words)
Common example
elaboratenesses
Rare example
eutrophications
Doubled letters
5
Ending in S
7

Questions

How many 15-letter words matching e___o__________ are there?

12. 2 of them are common words.

What is a common example?

ELABORATENESSES is among the common words in this set.