SLICK is a playable word

slick Scrabble® Dictionary

adjective
slicker, slickest
smooth and slippery
verb
slicked, slicking, slicks
to make slick
18 Playable Words can be made from "SLICK"
   2-Letter Words (4 found)
   3-Letter Words (7 found)
   4-Letter Words (5 found)
   5-Letter Words (2 found)