GNEISSES is a playable word

gneiss Scrabble® Dictionary

noun
pl. gneisses
a type of rock
(adjective) gneissic
79 Playable Words can be made from "GNEISSES"
   2-Letter Words (7 found)
   3-Letter Words (17 found)
   7-Letter Words (4 found)
   8-Letter Words (1 found)