DEADNESSES is a playable word

deadness Scrabble® Dictionary

noun
pl. deadnesses
the state of being dead
110 Playable Words can be made from "DEADNESSES"
   2-Letter Words (11 found)
   3-Letter Words (22 found)
   7-Letter Words (5 found)
   8-Letter Words (1 found)
   10-Letter Words (1 found)