What are some nine letter words with 2nd letter I and 4th letter S and 5th letter O and 7th letter I?

According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 4 words with the pattern -I-SO-I--. That is, nine letter words with 2nd letter I and 4th letter S and 5th letter O and 7th letter I. In alphabetical order, they are:

biosocial

biosolids

dissocial

gilsonite