GNAWN is a playable word

gnaw Scrabble® Dictionary

verb
gnawed, gnawn, gnawing, gnaws
to wear away by persistent biting
(adjective) gnawable
13 Playable Words can be made from "GNAWN"
   2-Letter Words (4 found)
   3-Letter Words (7 found)
   4-Letter Words (1 found)
   5-Letter Words (1 found)