HISSY is a playable word

hissy Scrabble® Dictionary

adjective
hissier, hissiest
characterized by a hissing sound
noun
pl. hissies
a tantrum
9 Playable Words can be made from "HISSY"
   2-Letter Words (4 found)
   3-Letter Words (3 found)
   4-Letter Words (1 found)
   5-Letter Words (1 found)