SOFTNESS is a playable word

softness Scrabble® Dictionary

noun
pl. softnesses
the quality or state of being soft
99 Playable Words can be made from "SOFTNESS"
   2-Letter Words (14 found)
   3-Letter Words (28 found)
   6-Letter Words (7 found)
   7-Letter Words (1 found)
   8-Letter Words (1 found)