HORIZONTAL

Yes, HORIZONTAL is a Scrabble word!

Letter values in Scrabble US: H 4, O 1, R 1, I 1, Z 10, O 1, N 1, T 1, A 1, L 1.H 4 · O 1 · R 1 · I 1 · Z 10 · O 1 · N 1 · T 1 · A 1 · L 1

Is it a valid word?

• Scrabble US: valid, 22 points.Scrabble USYour dictionary · Change (go to the dictionary switch)Valid · 22 points
• Scrabble UK: valid, 22 points. Make Scrabble UK your dictionary.Scrabble UKYour dictionary · ChangeValid · 22 points
• Words with Friends: valid, 23 points. Make Words with Friends your dictionary.Words with FriendsYour dictionary · ChangeValid · 23 points