KNURL is a playable word

knurl Scrabble® Dictionary

verb
knurled, knurling, knurls
to make grooves or ridges in
10 Playable Words can be made from "KNURL"
   2-Letter Words (2 found)
   3-Letter Words (3 found)
   4-Letter Words (4 found)
   5-Letter Words (1 found)