Is KO a valid Scrabble word?
YES — KO is a valid Scrabble word 6 points
Scrabble® and Words With Friends® points for KO
KO is a valid Scrabble US/CAN word worth 6 points:
K5O1
KO is valid in Scrabble UK (World) —
K5O1
KO is not valid in Words With Friends.