12-Letter Words Matching ______E___U_

There are 16 12-letter words that match ______E___U_. 6 are common words, such as CONTUMELIOUS and DISINGENUOUS. A rarer one is ULTRASERIOUS. In this set, S is the most frequent open letter (14 words). 3 words contain a doubled letter.

Full list 16

contumeliousdisingenuousmisdemeanoursacrilegioussemipreciousunsuccessfulectothermousmonospermouspachydermousquinquenniumunnilpentiumunrespectfuleurythermousheteroeciousphiladelphusultraserious

About this list

Words
16 (6 common words)
Common example
contumelious
Rare example
ultraserious
Doubled letters
3
Ending in S
11
Most frequent letter
S (14)

Questions

How many 12-letter words matching ______e___u_ are there?

16. 6 of them are common words.

What is a common example?

CONTUMELIOUS is among the common words in this set.