CRUXES is a playable word

crux Scrabble® Dictionary

noun
pl. cruxes or cruces
a basic or decisive point
40 Playable Words can be made from "CRUXES"
   2-Letter Words (6 found)
   3-Letter Words (14 found)
   4-Letter Words (13 found)
   5-Letter Words (6 found)
   6-Letter Words (1 found)