SHOWSTOPPER

Yes, SHOWSTOPPER is a Scrabble word!

Letter values in Scrabble US: S 1, H 4, O 1, W 4, S 1, T 1, O 1, P 3, P 3, E 1, R 1.S 1 · H 4 · O 1 · W 4 · S 1 · T 1 · O 1 · P 3 · P 3 · E 1 · R 1

Is it a valid word?

• Scrabble US: valid, 21 points.Scrabble USYour dictionary · Change (go to the dictionary switch)Valid · 21 points
• Scrabble UK: valid, 21 points. Make Scrabble UK your dictionary.Scrabble UKYour dictionary · ChangeValid · 21 points
• Words with Friends: valid, 22 points. Make Words with Friends your dictionary.Words with FriendsYour dictionary · ChangeValid · 22 points