15-Letter Words Matching _____I________N

There are 14 15-letter words that match _____I________N. 4 are common words, such as EXPERIMENTATION and FAMILIARIZATION. A rarer one is PRUSSIANIZATION. 2 words contain a doubled letter.

Full list 14

experimentationfamiliarizationmaterializationsuperimpositionantivivisectionresocializationantilibertariancivilianizationexteriorizationhyperinvolutioninteriorizationphotoionizationpostmillenarianprussianization

About this list

Words
14 (4 common words)
Common example
experimentation
Rare example
prussianization
Doubled letters
2
Ending in S
0

Questions

How many 15-letter words matching _____i________n are there?

14. 4 of them are common words.

What is a common example?

EXPERIMENTATION is among the common words in this set.