Zak is a diminutive of Isaac (English).
Zak is also a contracted form (English and Hebrew) of Zachary (English).
Zak is not commonly used as a baby boy name. It is listed outside of the top 1000. In 2018, out of the family of boy names directly related to Zak, Isaac was the most regularly used.
Baby names that sound like Zak include Zac (English), Zach (English and Hebrew), Zack (English), Zakkae, Tzach (Hebrew), Zah, Ze (Portugese), Zeak, Zeake, Zeek, Zeeke, Zeg, Zek, Zeke (English and Hebrew), Zeuc, Zeuce, Zeus (English and German), Zeuse, Zeuss, and Zews.
† Pronunciation for Zak: Z as in "zoo (Z.UW)" ; AE as in "at (AE.T)" ; K as in "key (K.IY)"