STARS is a playable word

star Scrabble® Dictionary

verb
starred, starring, stars
to shine as a star (a natural luminous body visible in the sky)
22 Playable Words can be made from "STARS"
   2-Letter Words (4 found)
   3-Letter Words (9 found)
   4-Letter Words (6 found)
   5-Letter Words (3 found)