Is MUMU a valid Scrabble word?
YES — MUMU is a valid Scrabble word 8 points
Scrabble® and Words With Friends® points for MUMU
MUMU is a valid Scrabble US/CAN word worth 8 points:
M3U1M3U1
MUMU is valid in Scrabble UK (World) —
M3U1M3U1
MUMU is a valid Words With Friends word worth 12 points:
M4U2M4U2