What are some nine letter words with 6th letter M and 8th letter D and 9th letter S?

According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 3 words with the pattern -----M-DS. That is, nine letter words with 6th letter M and 8th letter D and 9th letter S. In alphabetical order, they are:

acetamids

cyanamids

hebdomads