Is MASS a valid Scrabble word?
YES — MASS is a valid Scrabble word 6 points
Scrabble® and Words With Friends® points for MASS
MASS is a valid Scrabble US/CAN word worth 6 points:
M3A1S1S1
MASS is valid in Scrabble UK (World) —
M3A1S1S1
MASS is a valid Words With Friends word worth 7 points:
M4A1S1S1