OTOTOXIC is a playable word

ototoxic Scrabble® Dictionary

adjective
adversely affecting hearing or balance
25 Playable Words can be made from "OTOTOXIC"
   2-Letter Words (6 found)
   3-Letter Words (10 found)
   4-Letter Words (7 found)
   5-Letter Words (1 found)
   8-Letter Words (1 found)