COSMID is a playable word

cosmid Scrabble® Dictionary

noun
pl. cosmids
a hybrid vector used in cloning
53 Playable Words can be made from "COSMID"
   2-Letter Words (11 found)
   3-Letter Words (24 found)
   4-Letter Words (12 found)
   5-Letter Words (5 found)
   6-Letter Words (1 found)