• noun:   (Old Testament) Cain and Abel were the first children of Adam and Eve born after the Fall of Man; Abel was killed by Cain
• noun:   Norwegian mathematician (1802-1829)
• name:  A male given name (common: 1 in 5263 males; popularity rank in the U.S.: #485)
• name:  A surname (common: 1 in 14285 families; popularity rank in the U.S.: #1774)

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