KNUCKLIEST is a playable word

knuckly Scrabble® Dictionary

adjective
knucklier, knuckliest
having prominent knuckles
414 Playable Words can be made from "KNUCKLIEST"
   2-Letter Words (17 found)
   8-Letter Words (6 found)
   9-Letter Words (1 found)
   10-Letter Words (1 found)