SUBDOMINANT

Yes, SUBDOMINANT is a Scrabble word!

Letter values in Scrabble US: S 1, U 1, B 3, D 2, O 1, M 3, I 1, N 1, A 1, N 1, T 1.S 1 · U 1 · B 3 · D 2 · O 1 · M 3 · I 1 · N 1 · A 1 · N 1 · T 1

Is it a valid word?

• Scrabble US: valid, 16 points.Scrabble USYour dictionary · Change (go to the dictionary switch)Valid · 16 points
• Scrabble UK: valid, 16 points. Make Scrabble UK your dictionary.Scrabble UKYour dictionary · ChangeValid · 16 points
• Words with Friends: valid, 21 points. Make Words with Friends your dictionary.Words with FriendsYour dictionary · ChangeValid · 21 points