OSSIFICATION

Yes, OSSIFICATION is a Scrabble word!

Letter values in Scrabble US: O 1, S 1, S 1, I 1, F 4, I 1, C 3, A 1, T 1, I 1, O 1, N 1.O 1 · S 1 · S 1 · I 1 · F 4 · I 1 · C 3 · A 1 · T 1 · I 1 · O 1 · N 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, 19 points. Make Words with Friends your dictionary.Words with FriendsYour dictionary · ChangeValid · 19 points