Is SIG a valid Scrabble word?
YES — SIG is a valid Scrabble word 4 points
Scrabble® and Words With Friends® points for SIG
SIG is a valid Scrabble US/CAN word worth 4 points:
S1I1G2
SIG is valid in Scrabble UK (World) —
S1I1G2
SIG is not valid in Words With Friends.