14-Letter Words Matching __I________O__

There are 18 14-letter words that match __I________O__. 6 are common words, such as ANIMADVERSIONS and PRIVATIZATIONS. A rarer one is REINVIGORATORS. 3 words contain a doubled letter.

Full list 18

animadversionsprivatizationsreincarnationsreintegrationsscintillationstriangulationsacidificationsclitoridectomyepiphenomenonsspinthariscopeanimalizationsphilanthropoidquindecillionsreimportationsreinfestationsreinnervationsreinoculationsreinvigorators

About this list

Words
18 (6 common words)
Common example
animadversions
Rare example
reinvigorators
Doubled letters
3
Ending in S
15

Questions

How many 14-letter words matching __i________o__ are there?

18. 6 of them are common words.

What is a common example?

ANIMADVERSIONS is among the common words in this set.