GRINDS is a playable word

grind Scrabble® Dictionary

verb
ground or grinded, grinding, grinds
to wear, smooth, or sharpen by friction
45 Playable Words can be made from "GRINDS"
   2-Letter Words (5 found)
   3-Letter Words (15 found)
   4-Letter Words (16 found)
   5-Letter Words (8 found)
   6-Letter Words (1 found)