SURENESSES is a playable word

sureness Scrabble® Dictionary

noun
pl. surenesses
the state of being sure
93 Playable Words can be made from "SURENESSES"
   2-Letter Words (8 found)
   3-Letter Words (20 found)
   7-Letter Words (3 found)
   8-Letter Words (2 found)
   10-Letter Words (1 found)