Is SOUR a valid Scrabble word?
YES — SOUR is a valid Scrabble word 4 points
Scrabble® and Words With Friends® points for SOUR
SOUR is a valid Scrabble US/CAN word worth 4 points:
S1O1U1R1
SOUR is valid in Scrabble UK (World) —
S1O1U1R1
SOUR is a valid Words With Friends word worth 5 points:
S1O1U2R1