OPTICIST is a playable word

opticist Scrabble® Dictionary

noun
pl. opticists
one engaged in the study of light and vision
86 Playable Words can be made from "OPTICIST"
   2-Letter Words (11 found)
   3-Letter Words (27 found)
   5-Letter Words (12 found)
   6-Letter Words (7 found)
   8-Letter Words (1 found)