SOLENESSES is a playable word

soleness Scrabble® Dictionary

noun
pl. solenesses
the state of being the only one
94 Playable Words can be made from "SOLENESSES"
   2-Letter Words (10 found)
   3-Letter Words (19 found)
   6-Letter Words (8 found)
   7-Letter Words (5 found)
   8-Letter Words (2 found)
   9-Letter Words (1 found)
   10-Letter Words (1 found)