Is COMBO a valid Scrabble word?
YES — COMBO is a valid Scrabble word 11 points
Scrabble® and Words With Friends® points for COMBO
COMBO is a valid Scrabble US/CAN word worth 11 points:
C3O1M3B3O1
COMBO is valid in Scrabble UK (World) —
C3O1M3B3O1
COMBO is a valid Words With Friends word worth 14 points:
C4O1M4B4O1