14-Letter Words Matching ___I____O_____

There are 21 14-letter words that match ___I____O_____. 4 are common words, such as EXHIBITIONISMS and EXHIBITIONISTS. A rarer one is VEXILLOLOGISTS. In this set, I is the most frequent open letter (20 words). 9 words contain a doubled letter.

Full list 21

exhibitionismsexhibitionistsornithologicalornithologistsvexillologicalanticensorshipanticorrosivesantihistoricalantimicrobialsantiterrorismsantiterroristsfeuilletonismsfeuilletonistslegislatorshipmotivationallynavigationallynonideologicalradioautographradiostrontiumsedimentologicvexillologists

About this list

Words
21 (4 common words)
Common example
exhibitionisms
Rare example
vexillologists
Doubled letters
9
Ending in S
10
Most frequent letter
I (20)

Questions

How many 14-letter words matching ___i____o_____ are there?

21. 4 of them are common words.

What is a common example?

EXHIBITIONISMS is among the common words in this set.