Is NIFF a valid Scrabble word?
YES — NIFF is a valid Scrabble word 10 points
Scrabble® and Words With Friends® points for NIFF
NIFF is a valid Scrabble US/CAN word worth 10 points:
N1I1F4F4
NIFF is valid in Scrabble UK (World) —
N1I1F4F4
NIFF is not valid in Words With Friends.