14-Letter Words Matching __I___A_______

There are 12 14-letter words that match __I___A_______. 3 are common words, such as CHIEFTAINSHIPS and REINSTATEMENTS. A rarer one is UNINGRATIATING. In this set, T is the most frequent open letter (11 words). 4 words contain a doubled letter.

Full list 12

chieftainshipsreinstatementsutilitarianismcriticalnessesspinthariscopecriminalisticsflimflammeriesglioblastomatainimitablenessreimplantationreinstallationuningratiating

About this list

Words
12 (3 common words)
Common example
chieftainships
Rare example
uningratiating
Doubled letters
4
Ending in S
6
Most frequent letter
T (11)

Questions

How many 14-letter words matching __i___a_______ are there?

12. 3 of them are common words.

What is a common example?

CHIEFTAINSHIPS is among the common words in this set.