MACROCYST

Yes, MACROCYST is a Scrabble word!

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

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