YOCTOSECOND

Yes, YOCTOSECOND is a Scrabble word!

Letter values in Scrabble US: Y 4, O 1, C 3, T 1, O 1, S 1, E 1, C 3, O 1, N 1, D 2.Y 4 · O 1 · C 3 · T 1 · O 1 · S 1 · E 1 · C 3 · O 1 · N 1 · D 2

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: not a valid word. Make Words with Friends your dictionary.Words with FriendsYour dictionary · ChangeNot a valid word