COSMIDS is a playable word

cosmid Scrabble® Dictionary

noun
pl. cosmids
a hybrid vector used in cloning
70 Playable Words can be made from "COSMIDS"
   2-Letter Words (11 found)
   3-Letter Words (26 found)
   5-Letter Words (7 found)
   6-Letter Words (3 found)
   7-Letter Words (1 found)