What are some seven letter words with 3rd letter O and 5th letter S and 6th letter I and 7th letter S?

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

anoesis

tsotsis

whoosis