C3H4A1R1C3O1A1L1S1
16 points
CHARCOALS is validvalid
CHARCOAL, to blacken with a dark, porous carbon [v]
CHARCOAL, to draw or blacken with charcoal [v]
CHARCOAL, to blacken with a dark, porous carbon [v]
CHARCOAL, to draw or blacken with charcoal [v]