What are some seven letter words with 1st letter I and 5th letter I and 6th letter S and 7th letter M?

According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 3 words with the pattern I---ISM. That is, seven letter words with 1st letter I and 5th letter I and 6th letter S and 7th letter M. In alphabetical order, they are:

idolism

imagism

itacism