MONOTONE is a playable word

monotone Scrabble® Dictionary

noun
pl. monotones
a vocal utterance in one unvaried tone
55 Playable Words can be made from "MONOTONE"
   2-Letter Words (12 found)
   3-Letter Words (19 found)
   4-Letter Words (16 found)
   5-Letter Words (7 found)
   8-Letter Words (1 found)