CUSSING is a playable word

cuss Scrabble® Dictionary

verb
cussed, cussing, cusses
to curse
51 Playable Words can be made from "CUSSING"
   2-Letter Words (7 found)
   3-Letter Words (17 found)
   4-Letter Words (16 found)
   5-Letter Words (9 found)
   6-Letter Words (1 found)
   7-Letter Words (1 found)