What are some nine letter words with 3rd letter O and 4th letter S and 8th letter D?

According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 3 words with the pattern --OS---D-. That is, nine letter words with 3rd letter O and 4th letter S and 8th letter D. In alphabetical order, they are:

biosolids

phosphide

phosphids