Is OP a valid Scrabble word?
YES — OP is a valid Scrabble word 4 points
Scrabble® and Words With Friends® points for OP
OP is a valid Scrabble US/CAN word worth 4 points:
O1P3
OP is valid in Scrabble UK (World) —
O1P3
OP is a valid Words With Friends word worth 5 points:
O1P4