HYPOTHESIZE

Yes, HYPOTHESIZE is a Scrabble word!

Letter values in Scrabble US: H 4, Y 4, P 3, O 1, T 1, H 4, E 1, S 1, I 1, Z 10, E 1.H 4 · Y 4 · P 3 · O 1 · T 1 · H 4 · E 1 · S 1 · I 1 · Z 10 · E 1

Is it a valid word?

• Scrabble US: valid, 31 points.Scrabble USYour dictionary · Change (go to the dictionary switch)Valid · 31 points
• Scrabble UK: valid, 31 points. Make Scrabble UK your dictionary.Scrabble UKYour dictionary · ChangeValid · 31 points
• Words with Friends: valid, 29 points. Make Words with Friends your dictionary.Words with FriendsYour dictionary · ChangeValid · 29 points