Verses with the word zarah in the Old Testament (2 verses):

Genesis 38:30
And afterward came out his brother, that had the scarlet thread upon his hand: and his name was called Zarah.

Genesis 46:12
And the sons of Judah; Er, and Onan, and Shelah, and Pharez, and Zarah: but Er and Onan died in the land of Canaan. And the sons of Pharez were Hezron and Hamul.