RhymeZone: cain's

Definitions of Cain:

noun: (Old Testament) Cain and Abel were the first children of Adam and Eve born after the Fall of Man; Cain killed Abel out of jealousy and was exiled by God
name: A surname (common: 1 in 4166 families; popularity rank in the U.S.: #486)

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See Cain used in context: 2 Shakespeare works

Search for Cain: [Definition] Shakespeare Encyclopedia