ILLNESS is a playable word

illness Scrabble® Dictionary

noun
pl. illnesses
sickness
56 Playable Words can be made from "ILLNESS"
   2-Letter Words (8 found)
   3-Letter Words (16 found)
   4-Letter Words (19 found)
   5-Letter Words (10 found)
   6-Letter Words (2 found)
   7-Letter Words (1 found)