12-Letter Words Containing EGO

There are 18 12-letter words that contain EGO. 8 are common words, such as CATEGORIZING and EGOISTICALLY. A rarer one is SUPEREGOISTS. In this set, I is the most frequent open letter (16 words). 6 words contain a doubled letter.

Full list 18

categorizingegoisticallygobbledegooknegotiationsrenegotiablerenegotiatedrenegotiatesscapegoatingallegorizingegocentrismsprolegomenonscapegoatismunnegotiableallegorisingallegorizersarchegoniatecategorisingsuperegoists

About this list

Words
18 (8 common words)
Common example
categorizing
Rare example
superegoists
Doubled letters
6
Ending in S
5
Most frequent letter
I (16)

Questions

How many 12-letter words containing ego are there?

18. 8 of them are common words.

What is a common example?

CATEGORIZING is among the common words in this set.