ACCUMULATION

Yes, ACCUMULATION is a Scrabble word!

Letter values in Scrabble US: A 1, C 3, C 3, U 1, M 3, U 1, L 1, A 1, T 1, I 1, O 1, N 1.A 1 · C 3 · C 3 · U 1 · M 3 · U 1 · L 1 · A 1 · T 1 · I 1 · O 1 · N 1

Is it a valid word?

• Scrabble US: valid, 18 points.Scrabble USYour dictionary · Change (go to the dictionary switch)Valid · 18 points
• Scrabble UK: valid, 18 points. Make Scrabble UK your dictionary.Scrabble UKYour dictionary · ChangeValid · 18 points
• Words with Friends: valid, 25 points. Make Words with Friends your dictionary.Words with FriendsYour dictionary · ChangeValid · 25 points