SYMPOSIAC

Yes, SYMPOSIAC is a Scrabble word!

Letter values in Scrabble US: S 1, Y 4, M 3, P 3, O 1, S 1, I 1, A 1, C 3.S 1 · Y 4 · M 3 · P 3 · O 1 · S 1 · I 1 · A 1 · C 3

Is it a valid word?

• Scrabble US: valid, 18 points.Scrabble USYour dictionary · Change (go to the dictionary switch)Valid · 18 points
• Scrabble UK: valid, 18 points. Make Scrabble UK your dictionary.Scrabble UKYour dictionary · ChangeValid · 18 points
• Words with Friends: not a valid word. Make Words with Friends your dictionary.Words with FriendsYour dictionary · ChangeNot a valid word