12-Letter Words Matching ______OI____

There are 20 12-letter words that match ______OI____. 6 are common words, such as BOURGEOISIES and CHARBROILING. A rarer one is SUPERCOILING. In this set, E is the most frequent open letter (18 words). 6 words contain a doubled letter.

Full list 20

bourgeoisiescharbroilingdisappointedreconnoitersreconnoitredreconnoitresbourgeoisifyeunuchoidismleucopoiesissurrejoinderaneuploidiescharbroilerschondroitinshexaploidiesleukopoiesesleukopoiesisleukopoieticpolyploidiesreembroiderssupercoiling

About this list

Words
20 (6 common words)
Common example
bourgeoisies
Rare example
supercoiling
Doubled letters
6
Ending in S
12
Most frequent letter
E (18)

Questions

How many 12-letter words matching ______oi____ are there?

20. 6 of them are common words.

What is a common example?

BOURGEOISIES is among the common words in this set.