SOMBERER is a playable word

somber Scrabble® Dictionary

adjective
somberer, somberest
gloomy
(adverb) somberly
119 Playable Words can be made from "SOMBERER"
   2-Letter Words (13 found)
   3-Letter Words (32 found)
   7-Letter Words (4 found)
   8-Letter Words (1 found)