PERIMYSIUM

Yes, PERIMYSIUM is a Scrabble word!

Letter values in Scrabble US: P 3, E 1, R 1, I 1, M 3, Y 4, S 1, I 1, U 1, M 3.P 3 · E 1 · R 1 · I 1 · M 3 · Y 4 · S 1 · I 1 · U 1 · M 3

Is it a valid word?

• Scrabble US: valid, 19 points.Scrabble USYour dictionary · Change (go to the dictionary switch)Valid · 19 points
• Scrabble UK: valid, 19 points. Make Scrabble UK your dictionary.Scrabble UKYour dictionary · ChangeValid · 19 points
• Words with Friends: valid, 22 points. Make Words with Friends your dictionary.Words with FriendsYour dictionary · ChangeValid · 22 points