15-Letter Words Matching _______I___S___

There are 17 15-letter words that match _______I___S___. 4 are common words, such as EXPRESSIONISTIC and IMPRESSIONISTIC. A rarer one is NONPARTISANSHIP. In this set, N is the most frequent open letter (16 words). 10 words contain a doubled letter.

Full list 17

expressionisticimpressionisticmaladroitnessesrevolutionisingagribusinessmancommercialisticcontortionisticexhibitionisticperfectionisticuncertainnessesagribusinessmencommercialisingidiomaticnessesimmunodiffusionindustrialisinginteruniversitynonpartisanship

About this list

Words
17 (4 common words)
Common example
expressionistic
Rare example
nonpartisanship
Doubled letters
10
Ending in S
3
Most frequent letter
N (16)

Questions

How many 15-letter words matching _______i___s___ are there?

17. 4 of them are common words.

What is a common example?

EXPRESSIONISTIC is among the common words in this set.