12-Letter Words Matching __I_______I_

There are 22 12-letter words that match __I_______I_. 6 are common words, such as ARISTOCRATIC and AVITAMINOSIS. A rarer one is ZWITTERIONIC. In this set, O is the most frequent open letter (16 words). 5 words contain a doubled letter.

Full list 22

aristocraticavitaminosisbrinkmanshipchiropracticepigrammaticphilharmonicchirographicclimatologicepimorphosisgriseofulvinstichomythiatrichromaticavitaminoticaxisymmetricepididymitisoligotrophicphilhellenicseismometricstichomythictrimethoprimwhigmaleeriezwitterionic

About this list

Words
22 (6 common words)
Common example
aristocratic
Rare example
zwitterionic
Doubled letters
5
Ending in S
3
Most frequent letter
O (16)

Questions

How many 12-letter words matching __i_______i_ are there?

22. 6 of them are common words.

What is a common example?

ARISTOCRATIC is among the common words in this set.