SPEISS is a playable word

speiss Scrabble® Dictionary

noun
pl. speisses
a metallic mixture obtained in smelting certain ores
24 Playable Words can be made from "SPEISS"
   2-Letter Words (5 found)
   3-Letter Words (8 found)
   4-Letter Words (6 found)
   5-Letter Words (3 found)
   6-Letter Words (2 found)