SUNLESS is a playable word

sunless Scrabble® Dictionary

adjective
having no sunlight
37 Playable Words can be made from "SUNLESS"
   2-Letter Words (7 found)
   3-Letter Words (13 found)
   4-Letter Words (12 found)
   5-Letter Words (3 found)
   6-Letter Words (1 found)
   7-Letter Words (1 found)