GU

Yes, GU is a Scrabble word!

Letter values in Scrabble US: G 2, U 1.G 2 · U 1

Is it a valid word?

• Scrabble US: not a valid word.Scrabble USYour dictionary · Change (go to the dictionary switch)Not a valid word
• Scrabble UK: valid, 3 points. Make Scrabble UK your dictionary.Scrabble UKYour dictionary · ChangeValid · 3 points
• Words with Friends: not a valid word. Make Words with Friends your dictionary.Words with FriendsYour dictionary · ChangeNot a valid word