Genesis 29:34

34Again she conceived and bore a son, and said, “Now this time my husband will be aattached to me, because I have borne him three sons.” Therefore his name was called Levi.
 Levi sounds like the Hebrew for  attached

Genesis 35:23

23The sons of Leah: cReuben (Jacob’s firstborn), Simeon, Levi, Judah, Issachar, and Zebulun.

Genesis 49:5

5 dSimeon and Levi are brothers;
weapons eof violence are their swords.

Exodus 6:16

16These are the names of the fsons of Levi according to their generations: Gershon, Kohath, and Merari, the years of the life of Levi being 137 years.
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