MONOTONES is a playable word

monotone Scrabble® Dictionary

noun
pl. monotones
a vocal utterance in one unvaried tone
133 Playable Words can be made from "MONOTONES"
   2-Letter Words (15 found)
   6-Letter Words (7 found)
   7-Letter Words (2 found)
   8-Letter Words (1 found)
   9-Letter Words (2 found)