SALT is a playable word

salt Scrabble® Dictionary

adjective
salter, saltest
salty
verb
salted, salting, salts
to treat with salt (a crystalline compound used as a seasoning and preservative)
18 Playable Words can be made from "SALT"
   2-Letter Words (5 found)
   3-Letter Words (8 found)
   4-Letter Words (5 found)