LONGITUDINAL

Yes, LONGITUDINAL is a Scrabble word!

Letter values in Scrabble US: L 1, O 1, N 1, G 2, I 1, T 1, U 1, D 2, I 1, N 1, A 1, L 1.L 1 · O 1 · N 1 · G 2 · I 1 · T 1 · U 1 · D 2 · I 1 · N 1 · A 1 · L 1

Is it a valid word?

• Scrabble US: valid, 14 points.Scrabble USYour dictionary · Change (go to the dictionary switch)Valid · 14 points
• Scrabble UK: valid, 14 points. Make Scrabble UK your dictionary.Scrabble UKYour dictionary · ChangeValid · 14 points
• Words with Friends: valid, 20 points. Make Words with Friends your dictionary.Words with FriendsYour dictionary · ChangeValid · 20 points