KNOTS is a playable word

knot Scrabble® Dictionary

verb
knotted, knotting, knots
to tie in a knot (a closed loop)
19 Playable Words can be made from "KNOTS"
   2-Letter Words (6 found)
   3-Letter Words (8 found)
   4-Letter Words (3 found)
   5-Letter Words (2 found)