GUESSES is a playable word

guess Scrabble® Dictionary

verb
guessed, guessing, guesses
to form an opinion from little or no evidence
21 Playable Words can be made from "GUESSES"
   2-Letter Words (2 found)
   3-Letter Words (6 found)
   4-Letter Words (7 found)
   5-Letter Words (4 found)
   6-Letter Words (1 found)
   7-Letter Words (1 found)