THICK is a playable word

thick Scrabble® Dictionary

adjective
thicker, thickest
having relatively great extent from one surface to its opposite
noun
pl. thicks
the thickest part
18 Playable Words can be made from "THICK"
   2-Letter Words (4 found)
   3-Letter Words (8 found)
   4-Letter Words (5 found)
   5-Letter Words (1 found)