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

Genesis 10:10
And the beginning of his kingdom was Babel, and Erech, and Accad, and Calneh, in the land of Shinar.

Genesis 11:9
Therefore is the name of it called Babel; because the LORD did there confound the language of all the earth: and from thence did the LORD scatter them abroad upon the face of all the earth.