13-Letter Words Matching E_I__________

There are 26 13-letter words that match E_I__________. 6 are common words, such as EDITORIALIZED and EDITORIALIZES. A rarer one is EPIZOOTIOLOGY. In this set, I is the most frequent open letter (24 words). 11 words contain a doubled letter.

Full list 26

Common words

editorializededitorializeseligibilitiesenigmaticallyeviscerationsexistentiallyeditorialistseditorializerepigrammatistepigrammatizeepiphenomenonepistemically
editorializededitorializeseligibilitiesenigmaticallyeviscerationsexistentiallyeditorialistseditorializerepigrammatistepigrammatizeepiphenomenonepistemicallyepitheticallyetiologicallyepicureanismsepidemicitiesepidemiologicepigrammatismepilepticallyepileptogenicepiphenomenalepiphyticallyepithalamiumsepithelializeepitheliomataepizootiology

About this list

Words
26 (6 common words)
Common example
editorialized
Rare example
epizootiology
Doubled letters
11
Ending in S
7
Most frequent letter
I (24)

Questions

How many 13-letter words matching e_i__________ are there?

26. 6 of them are common words.

What is a common example?

EDITORIALIZED is among the common words in this set.