STICKIEST is a playable word

sticky Scrabble® Dictionary

noun
pl. stickies
a slip of notepaper having an adhesive strip on the back
adjective
stickier, stickiest
tending to adhere
109 Playable Words can be made from "STICKIEST"
   2-Letter Words (8 found)
   3-Letter Words (23 found)
   6-Letter Words (7 found)
   7-Letter Words (8 found)
   8-Letter Words (2 found)
   9-Letter Words (1 found)