CALCES is a playable word

calx Scrabble® Dictionary

noun
pl. calxes or calces
a mineral residue
37 Playable Words can be made from "CALCES"
   2-Letter Words (6 found)
   3-Letter Words (14 found)
   4-Letter Words (12 found)
   5-Letter Words (4 found)
   6-Letter Words (1 found)