CARTS is a playable word

cart Scrabble® Dictionary

verb
carted, carting, carts
to convey in a cart (a two-wheeled vehicle)
(adjective) cartable
32 Playable Words can be made from "CARTS"
   2-Letter Words (4 found)
   3-Letter Words (13 found)
   4-Letter Words (13 found)
   5-Letter Words (2 found)