15-Letter Words Matching _____I_______O_

There are 13 15-letter words that match _____I_______O_. 4 are common words, such as EXPERIMENTATION and FAMILIARIZATION. A rarer one is PRUSSIANIZATION. 1 words contain a doubled letter.

Full list 13

experimentationfamiliarizationmaterializationsuperimpositionantivivisectionprestidigitatorresocializationcivilianizationexteriorizationhyperinvolutioninteriorizationphotoionizationprussianization

About this list

Words
13 (4 common words)
Common example
experimentation
Rare example
prussianization
Doubled letters
1
Ending in S
0

Questions

How many 15-letter words matching _____i_______o_ are there?

13. 4 of them are common words.

What is a common example?

EXPERIMENTATION is among the common words in this set.