15-Letter Words Matching _________I__A__

There are 13 15-letter words that match _________I__A__. 2 are common words, such as CONSTITUTIONALS and NONINFLATIONARY. A rarer one is UNREVOLUTIONARY. 5 words contain a doubled letter.

Full list 13

constitutionalsnoninflationaryeconometriciansfideicommissaryinsurrectionaryunproportionatedisinflationaryneurofibrillarysabermetricianssubstitutionaryuncompassionateunprofessionalsunrevolutionary

About this list

Words
13 (2 common words)
Common example
constitutionals
Rare example
unrevolutionary
Doubled letters
5
Ending in S
4

Questions

How many 15-letter words matching _________i__a__ are there?

13. 2 of them are common words.

What is a common example?

CONSTITUTIONALS is among the common words in this set.