15-Letter Words Matching E________O_____

There are 19 15-letter words that match E________O_____. 1 are common words, such as EPIDEMIOLOGISTS and ELECTROPHORESES. A rarer one is EXOERYTHROCYTIC. In this set, O is the most frequent open letter (19 words). 2 words contain a doubled letter.

Full list 19

epidemiologistselectrophoreseselectrophoresiselectrophoreticepidemiologicalepistemologicalepistemologistsecclesiologicalecclesiologistsechocardiogramselectroacousticelectromyogramselectromyographelectrophoresedendometriosisesendonucleolyticethnohistoriansethnohistoricalexoerythrocytic

About this list

Words
19 (1 common words)
Common example
epidemiologists
Rare example
exoerythrocytic
Doubled letters
2
Ending in S
9
Most frequent letter
O (19)

Questions

How many 15-letter words matching e________o_____ are there?

19. 1 of them are common words.

What is a common example?

EPIDEMIOLOGISTS is among the common words in this set.