IODOPSIN is a playable word

iodopsin Scrabble® Dictionary

noun
pl. iodopsins
a pigment in the retina
87 Playable Words can be made from "IODOPSIN"
   2-Letter Words (14 found)
   3-Letter Words (28 found)
   5-Letter Words (13 found)
   6-Letter Words (5 found)
   7-Letter Words (1 found)
   8-Letter Words (1 found)