Is “Zack” a Scrabble word?
Yes
ZACK
Valid in at least one Scrabble dictionary
Valid in these dictionaries
SOWPODS / CSW
Scrabble UK & International
TWL / NWL
Scrabble North America
Large English Dictionary
General English word list
Meaning of Zack
noun
1.Sixpence.
2.Five cents.
3.A six-month or six-year prison sentence.