BULLMASTIFF

Yes, BULLMASTIFF is a Scrabble word!

Letter values in Scrabble US: B 3, U 1, L 1, L 1, M 3, A 1, S 1, T 1, I 1, F 4, F 4.B 3 · U 1 · L 1 · L 1 · M 3 · A 1 · S 1 · T 1 · I 1 · F 4 · F 4

Is it a valid word?

• Scrabble US: valid, 21 points.Scrabble USYour dictionary · Change (go to the dictionary switch)Valid · 21 points
• Scrabble UK: valid, 21 points. Make Scrabble UK your dictionary.Scrabble UKYour dictionary · ChangeValid · 21 points
• Words with Friends: valid, 26 points. Make Words with Friends your dictionary.Words with FriendsYour dictionary · ChangeValid · 26 points