LITHOSPHERE

Yes, LITHOSPHERE is a Scrabble word!

Letter values in Scrabble US: L 1, I 1, T 1, H 4, O 1, S 1, P 3, H 4, E 1, R 1, E 1.L 1 · I 1 · T 1 · H 4 · O 1 · S 1 · P 3 · H 4 · E 1 · R 1 · E 1

Is it a valid word?

• Scrabble US: valid, 19 points.Scrabble USYour dictionary · Change (go to the dictionary switch)Valid · 19 points
• Scrabble UK: valid, 19 points. Make Scrabble UK your dictionary.Scrabble UKYour dictionary · ChangeValid · 19 points
• Words with Friends: valid, 19 points. Make Words with Friends your dictionary.Words with FriendsYour dictionary · ChangeValid · 19 points