CHALKING is a playable word

chalk Scrabble® Dictionary

verb
chalked, chalking, chalks
to mark with chalk (a soft limestone)
122 Playable Words can be made from "CHALKING"
   2-Letter Words (14 found)
   3-Letter Words (28 found)
   6-Letter Words (6 found)
   7-Letter Words (3 found)
   8-Letter Words (2 found)