MAINSPRING

Yes, MAINSPRING is a Scrabble word!

Letter values in Scrabble US: M 3, A 1, I 1, N 1, S 1, P 3, R 1, I 1, N 1, G 2.M 3 · A 1 · I 1 · N 1 · S 1 · P 3 · R 1 · I 1 · N 1 · G 2

Is it a valid word?

• Scrabble US: valid, 15 points.Scrabble USYour dictionary · Change (go to the dictionary switch)Valid · 15 points
• Scrabble UK: valid, 15 points. Make Scrabble UK your dictionary.Scrabble UKYour dictionary · ChangeValid · 15 points
• Words with Friends: valid, 20 points. Make Words with Friends your dictionary.Words with FriendsYour dictionary · ChangeValid · 20 points