LATHYRISM

Yes, LATHYRISM is a Scrabble word!

Letter values in Scrabble US: L 1, A 1, T 1, H 4, Y 4, R 1, I 1, S 1, M 3.L 1 · A 1 · T 1 · H 4 · Y 4 · R 1 · I 1 · S 1 · M 3

Is it a valid word?

• Scrabble US: valid, 17 points.Scrabble USYour dictionary · Change (go to the dictionary switch)Valid · 17 points
• Scrabble UK: valid, 17 points. Make Scrabble UK your dictionary.Scrabble UKYour dictionary · ChangeValid · 17 points
• Words with Friends: valid, 17 points. Make Words with Friends your dictionary.Words with FriendsYour dictionary · ChangeValid · 17 points