ANKYLOSIS

Yes, ANKYLOSIS is a Scrabble word!

Letter values in Scrabble US: A 1, N 1, K 5, Y 4, L 1, O 1, S 1, I 1, S 1.A 1 · N 1 · K 5 · Y 4 · L 1 · O 1 · S 1 · I 1 · S 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, 17 points. Make Words with Friends your dictionary.Words with FriendsYour dictionary · ChangeValid · 17 points