Is EFF a valid Scrabble word?
YES — EFF is a valid Scrabble word 9 points
Scrabble® and Words With Friends® points for EFF
EFF is a valid Scrabble US/CAN word worth 9 points:
E1F4F4
EFF is valid in Scrabble UK (World) —
E1F4F4
EFF is a valid Words With Friends word worth 9 points:
E1F4F4