12-Letter Words Matching E_____U_____

There are 20 12-letter words that match E_____U_____. 10 are common words, such as EFFECTUATING and ENCAPSULATED. A rarer one is EXTRAMUSICAL. In this set, T is the most frequent open letter (17 words). 7 words contain a doubled letter.

Full list 20

effectuatingencapsulatedencapsulatesenormousnesseventfulnessexpostulatedexpostulatesextinguishedextinguisherextinguisheseffectualityeffectuationexiguousnessexpostulatorexsanguinateextramundaneextranuclearensanguiningextramurallyextramusical

About this list

Words
20 (10 common words)
Common example
effectuating
Rare example
extramusical
Doubled letters
7
Ending in S
6
Most frequent letter
T (17)

Questions

How many 12-letter words matching e_____u_____ are there?

20. 10 of them are common words.

What is a common example?

EFFECTUATING is among the common words in this set.