FASTS is a playable word

fast Scrabble® Dictionary

adjective
faster, fastest
moving or able to move quickly
verb
fasted, fasting, fasts
to abstain from eating

15 Playable Words can be made from "FASTS"

   2-Letter Words (4 found)

   3-Letter Words (7 found)

   4-Letter Words (3 found)

   5-Letter Words (1 found)