EXOTHERMAL

Yes, EXOTHERMAL is a Scrabble word!

Letter values in Scrabble US: E 1, X 8, O 1, T 1, H 4, E 1, R 1, M 3, A 1, L 1.E 1 · X 8 · O 1 · T 1 · H 4 · E 1 · R 1 · M 3 · A 1 · L 1

Is it a valid word?

• Scrabble US: valid, 22 points.Scrabble USYour dictionary · Change (go to the dictionary switch)Valid · 22 points
• Scrabble UK: valid, 22 points. Make Scrabble UK your dictionary.Scrabble UKYour dictionary · ChangeValid · 22 points
• Words with Friends: valid, 23 points. Make Words with Friends your dictionary.Words with FriendsYour dictionary · ChangeValid · 23 points