DECOMPOSER

Yes, DECOMPOSER is a Scrabble word!

Letter values in Scrabble US: D 2, E 1, C 3, O 1, M 3, P 3, O 1, S 1, E 1, R 1.D 2 · E 1 · C 3 · O 1 · M 3 · P 3 · O 1 · S 1 · E 1 · R 1

Is it a valid word?

• Scrabble US: valid, 17 points.Scrabble USYour dictionary · Change (go to the dictionary switch)Valid · 17 points
• Scrabble UK: valid, 17 points. Make Scrabble UK your dictionary.Scrabble UKYour dictionary · ChangeValid · 17 points
• Words with Friends: valid, 20 points. Make Words with Friends your dictionary.Words with FriendsYour dictionary · ChangeValid · 20 points