SYLVINITES

Yes, SYLVINITES is a Scrabble word!

Letter values in Scrabble US: S 1, Y 4, L 1, V 4, I 1, N 1, I 1, T 1, E 1, S 1.S 1 · Y 4 · L 1 · V 4 · I 1 · N 1 · I 1 · T 1 · E 1 · S 1

Is it a valid word?

• Scrabble US: valid, 16 points.Scrabble USYour dictionary · Change (go to the dictionary switch)Valid · 16 points
• Scrabble UK: valid, 16 points. Make Scrabble UK your dictionary.Scrabble UKYour dictionary · ChangeValid · 16 points
• Words with Friends: not a valid word. Make Words with Friends your dictionary.Words with FriendsYour dictionary · ChangeNot a valid word