Is UMM a valid Scrabble word?
YES — UMM is a valid Scrabble word 7 points
Scrabble® and Words With Friends® points for UMM
UMM is a valid Scrabble US/CAN word worth 7 points:
U1M3M3
UMM is valid in Scrabble UK (World) —
U1M3M3
UMM is a valid Words With Friends word worth 10 points:
U2M4M4