Is ZOS a valid Scrabble word?
YES — ZOS is a valid Scrabble word 12 points
Scrabble® and Words With Friends® points for ZOS
ZOS is a valid Scrabble US/CAN word worth 12 points:
Z10O1S1
ZOS is valid in Scrabble UK (World) —
Z10O1S1
ZOS is not valid in Words With Friends.