GUAIACS is a playable word

guaiac Scrabble® Dictionary

noun
pl. guaiacs
guaiacum
34 Playable Words can be made from "GUAIACS"
   2-Letter Words (8 found)
   3-Letter Words (13 found)
   4-Letter Words (8 found)
   5-Letter Words (3 found)
   6-Letter Words (1 found)
   7-Letter Words (1 found)