Is BOS a valid Scrabble word?
YES — BOS is a valid Scrabble word 5 points
Scrabble® and Words With Friends® points for BOS
BOS is a valid Scrabble US/CAN word worth 5 points:
B3O1S1
BOS is valid in Scrabble UK (World) —
B3O1S1
BOS is a valid Words With Friends word worth 6 points:
B4O1S1