Is MOS a valid Scrabble word?
YES — MOS is a valid Scrabble word 5 points
Scrabble® and Words With Friends® points for MOS
MOS is a valid Scrabble US/CAN word worth 5 points:
M3O1S1
MOS is valid in Scrabble UK (World) —
M3O1S1
MOS is a valid Words With Friends word worth 6 points:
M4O1S1