SMOOTH is a playable word

smooth Scrabble® Dictionary

adjective
smoother, smoothest
having a surface that is free from irregularities
verb
smoothed, smoothing, smooths or smoothes
to make smooth
61 Playable Words can be made from "SMOOTH"
   2-Letter Words (9 found)
   3-Letter Words (20 found)
   5-Letter Words (7 found)
   6-Letter Words (1 found)