CUSPAL is a playable word

cusp Scrabble® Dictionary

noun
pl. cusps
a pointed end
(adjective) cuspal, cuspate, cuspated, cusped
53 Playable Words can be made from "CUSPAL"
   2-Letter Words (6 found)
   3-Letter Words (20 found)
   4-Letter Words (18 found)
   5-Letter Words (8 found)
   6-Letter Words (1 found)