10-Letter Words Matching E________A

There are 13 10-letter words that match E________A. 2 are common words, such as EQUILIBRIA and EUTHANASIA. A rarer one is ERYTHREMIA. In this set, I is the most frequent open letter (12 words). 1 words contain a doubled letter.

Full list 13

equilibriaeuthanasiaechopraxiaemmetropiaendometriaendotheliaepanaphoraergophobiaerotomaniaenchiridiaendocardiaendotheciaerythremia

About this list

Words
13 (2 common words)
Common example
equilibria
Rare example
erythremia
Doubled letters
1
Ending in S
0
Most frequent letter
I (12)

Questions

How many 10-letter words matching e________a are there?

13. 2 of them are common words.

What is a common example?

EQUILIBRIA is among the common words in this set.