7013. קַיִן qayin: A masculine noun indicating a spear, a spearhead. It refers to the weapon wielded by Ishbi-Benob, a descendant of giants. Its reference is probably to the entire weapon, including its shaft and metal end (2 Sam. 21:16).
7014. קַיִן qayin: A proper noun designating Cain, Kain:1
1 Baker, W. and Carpenter, E.E. (2003) The complete word study dictionary: Old Testament. Chattanooga, TN: AMG Publishers.