THUMBSCREW

Yes, THUMBSCREW is a Scrabble word!

Letter values in Scrabble US: T 1, H 4, U 1, M 3, B 3, S 1, C 3, R 1, E 1, W 4.T 1 · H 4 · U 1 · M 3 · B 3 · S 1 · C 3 · R 1 · E 1 · W 4

Is it a valid word?

• Scrabble US: valid, 22 points.Scrabble USYour dictionary · Change (go to the dictionary switch)Valid · 22 points
• Scrabble UK: valid, 22 points. Make Scrabble UK your dictionary.Scrabble UKYour dictionary · ChangeValid · 22 points
• Words with Friends: valid, 25 points. Make Words with Friends your dictionary.Words with FriendsYour dictionary · ChangeValid · 25 points