12-Letter Words Matching ____I_____I_

There are 40 12-letter words that match ____I_____I_. 9 are common words, such as CALLIGRAPHIC and CARCINOGENIC. A rarer one is UROLITHIASIS. In this set, C is the most frequent open letter (30 words). 4 words contain a doubled letter.

Full list 40

Common words

calligraphiccarcinogenicdiscipleshipmisdiagnosismultivitaminnarcissisticpartisanshipreceivershipunscientificalexipharmicamphidiploidarchipelagic
calligraphiccarcinogenicdiscipleshipmisdiagnosismultivitaminnarcissisticpartisanshipreceivershipunscientificalexipharmicamphidiploidarchipelagicbibliophiliccardinalshipcysticercoidfibrinolysinfibrinolysisisodiametriclenticularisphysiognomicsalpiglossisspecialisticamphibrachicamphictyonicamphisbaenicchemiosmoticclavieristicepididymitisfascioliasisfibrinolyticfolliculitisphysiocraticplagiaristicplagiotropicplanisphericpostischemicreunionisticsurvivorshiptensiometricurolithiasis

About this list

Words
40 (9 common words)
Common example
calligraphic
Rare example
urolithiasis
Doubled letters
4
Ending in S
8
Most frequent letter
C (30)

Questions

How many 12-letter words matching ____i_____i_ are there?

40. 9 of them are common words.

What is a common example?

CALLIGRAPHIC is among the common words in this set.