LIGHTS is a playable word

light Scrabble® Dictionary

adjective
lighter, lightest
having little weight
verb
lighted or lit, lighting, lights
to illuminate
41 Playable Words can be made from "LIGHTS"
   2-Letter Words (8 found)
   3-Letter Words (12 found)
   4-Letter Words (15 found)
   5-Letter Words (4 found)
   6-Letter Words (2 found)