CASKING is a playable word

cask Scrabble® Dictionary

verb
casked, casking, casks
to store in a cask (a strong barrel)
95 Playable Words can be made from "CASKING"
   2-Letter Words (11 found)
   3-Letter Words (28 found)
   5-Letter Words (13 found)
   6-Letter Words (5 found)
   7-Letter Words (2 found)