Is GIS a valid Scrabble word?
YES — GIS is a valid Scrabble word 4 points
Scrabble® and Words With Friends® points for GIS
GIS is a valid Scrabble US/CAN word worth 4 points:
G2I1S1
GIS is valid in Scrabble UK (World) —
G2I1S1
GIS is not valid in Words With Friends.