OSTRACISM

Yes, OSTRACISM is a Scrabble word!

Letter values in Scrabble US: O 1, S 1, T 1, R 1, A 1, C 3, I 1, S 1, M 3.O 1 · S 1 · T 1 · R 1 · A 1 · C 3 · I 1 · S 1 · M 3

Is it a valid word?

• Scrabble US: valid, 13 points.Scrabble USYour dictionary · Change (go to the dictionary switch)Valid · 13 points
• Scrabble UK: valid, 13 points. Make Scrabble UK your dictionary.Scrabble UKYour dictionary · ChangeValid · 13 points
• Words with Friends: valid, 15 points. Make Words with Friends your dictionary.Words with FriendsYour dictionary · ChangeValid · 15 points