10-Letter Words Matching ___OI_____

There are 21 10-letter words that match ___OI_____. 8 are common words, such as ADROITNESS and APPOINTEES. A rarer one is UNJOINTING. In this set, E is the most frequent open letter (18 words). 11 words contain a doubled letter.

Full list 21

adroitnessappointeesappointingappointiveautoimmuneheroicallyrejoicingsrejoindersdamoiselledemoiselleenjoinmentrecoillessassoilmentempoisonedheroicomicheroinismsmemoiristsrecoinagesremoistenstoroidallyunjointing

About this list

Words
21 (8 common words)
Common example
adroitness
Rare example
unjointing
Doubled letters
11
Ending in S
9
Most frequent letter
E (18)

Questions

How many 10-letter words matching ___oi_____ are there?

21. 8 of them are common words.

What is a common example?

ADROITNESS is among the common words in this set.