HAHA

Yes, HAHA is a Scrabble word!

Letter values in Scrabble US: H 4, A 1, H 4, A 1.H 4 · A 1 · H 4 · A 1

Is it a valid word?

• Scrabble US: valid, 10 points.Scrabble USYour dictionary · Change (go to the dictionary switch)Valid · 10 points
• Scrabble UK: valid, 10 points. Make Scrabble UK your dictionary.Scrabble UKYour dictionary · ChangeValid · 10 points
• Words with Friends: valid, 8 points. Make Words with Friends your dictionary.Words with FriendsYour dictionary · ChangeValid · 8 points