12-Letter Words Matching _______OI___

There are 16 12-letter words that match _______OI___. 4 are common words, such as CHURCHGOINGS and NEEDLEPOINTS. A rarer one is SUPEREGOISTS. 4 words contain a doubled letter.

Full list 16

churchgoingsneedlepointsperestroikasvichyssoisesdisembroiledhemorrhoidalnonsteroidalpleochroismssilverpointstrophozoitesamygdaloidalantiheroinesepicycloidalparaboloidalsaccharoidalsuperegoists

About this list

Words
16 (4 common words)
Common example
churchgoings
Rare example
superegoists
Doubled letters
4
Ending in S
9

Questions

How many 12-letter words matching _______oi___ are there?

16. 4 of them are common words.

What is a common example?

CHURCHGOINGS is among the common words in this set.