DIMMER is a playable word

dimmer Scrabble® Dictionary

noun
pl. dimmers
a device for varying the intensity of illumination
39 Playable Words can be made from "DIMMER"
   2-Letter Words (9 found)
   3-Letter Words (13 found)
   4-Letter Words (10 found)
   5-Letter Words (5 found)
   6-Letter Words (2 found)