Is COSS a valid Scrabble word?
YES — COSS is a valid Scrabble word 6 points
Scrabble® and Words With Friends® points for COSS
COSS is a valid Scrabble US/CAN word worth 6 points:
C3O1S1S1
COSS is valid in Scrabble UK (World) —
C3O1S1S1
COSS is a valid Words With Friends word worth 7 points:
C4O1S1S1