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

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

idolism

imagism

iridium

ischium

itacism