14-Letter Words Matching _____I____O___

There are 16 14-letter words that match _____I____O___. 6 are common words, such as CONQUISTADORES and CONSTITUTIONAL. A rarer one is SUBSTITUTIONAL. 1 words contain a doubled letter.

Full list 16

conquistadoresconstitutionaldenominationallaughingstocksorganizationalsteppingstonesdisquisitionaldistributionalfrontierswomanfrontierswomenmucoviscidosiscivilizationalconspirationalcontainerboardcontainerportssubstitutional

About this list

Words
16 (6 common words)
Common example
conquistadores
Rare example
substitutional
Doubled letters
1
Ending in S
5

Questions

How many 14-letter words matching _____i____o___ are there?

16. 6 of them are common words.

What is a common example?

CONQUISTADORES is among the common words in this set.