13-Letter Words Matching __EO_________

There are 16 13-letter words that match __EO_________. 7 are common words, such as IDEOLOGICALLY and OLEOMARGARINE. A rarer one is THEORIZATIONS. In this set, I is the most frequent open letter (16 words). 7 words contain a doubled letter.

Full list 16

ideologicallyoleomargarineoleomargarinspreoccupationtheologicallytheoreticallytheoreticiansideogrammaticpleomorphismspreordinationcreolizationspreordainmentrheologicallytheocentrismstheophyllinestheorizations

About this list

Words
16 (7 common words)
Common example
ideologically
Rare example
theorizations
Doubled letters
7
Ending in S
7
Most frequent letter
I (16)

Questions

How many 13-letter words matching __eo_________ are there?

16. 7 of them are common words.

What is a common example?

IDEOLOGICALLY is among the common words in this set.