15-Letter Words Matching ______O__I_____

There are 22 15-letter words that match ______O__I_____. 5 are common words, such as ANTIABORTIONIST and INAPPROPRIATELY. A rarer one is SUPERCONTINENTS. In this set, R is the most frequent open letter (19 words). 11 words contain a doubled letter.

Full list 22

antiabortionistinappropriatelynonrecognitionsphilosophicallytransmogrifyingfideicommissaryhydrocortisonesmacrocosmicallymicrocosmicallyorthodonticallysynecdochicallyunproportionateantishopliftingautotrophicallybourgeoisifyingdiastrophicallyerythropoietinsgeostrophicallyglucocorticoidsnonrecombinantsreappropriatingsupercontinents

About this list

Words
22 (5 common words)
Common example
antiabortionist
Rare example
supercontinents
Doubled letters
11
Ending in S
6
Most frequent letter
R (19)

Questions

How many 15-letter words matching ______o__i_____ are there?

22. 5 of them are common words.

What is a common example?

ANTIABORTIONIST is among the common words in this set.