DEADNESS is a playable word

deadness Scrabble® Dictionary

noun
pl. deadnesses
the state of being dead
98 Playable Words can be made from "DEADNESS"
   2-Letter Words (11 found)
   3-Letter Words (22 found)
   6-Letter Words (9 found)
   7-Letter Words (3 found)
   8-Letter Words (1 found)