14-Letter Words Matching E________O____

There are 15 14-letter words that match E________O____. 2 are common words, such as EPIDEMIOLOGIES and EPIDEMIOLOGIST. A rarer one is EXTRACORPOREAL. In this set, O is the most frequent open letter (15 words). 2 words contain a doubled letter.

Full list 15

epidemiologiesepidemiologistelectrobiologyepistemologiesepistemologistecclesiologiesecclesiologistechocardiogramelectromyogramelectrophoreseendotheliomataepiphytologiesethnohistorianethnohistoriesextracorporeal

About this list

Words
15 (2 common words)
Common example
epidemiologies
Rare example
extracorporeal
Doubled letters
2
Ending in S
5
Most frequent letter
O (15)

Questions

How many 14-letter words matching e________o____ are there?

15. 2 of them are common words.

What is a common example?

EPIDEMIOLOGIES is among the common words in this set.