Jack+(anglicized form of Jacques)proper noun[UK: dʒæk] [US: ˈdʒæk]
James+(male given name (the standard form))proper noun[UK: dʒeɪmz] [US: ˈdʒeɪmz]
Jacob+(male given name (the standard form))proper noun[UK: ˈdʒeɪkəb] [US: ˈdʒeɪkəb]
Jake+(diminutive of Jacob or James)proper noun[UK: dʒeɪk] [US: ˈdʒeɪk]
Jim+(diminutive of James)proper noun[UK: dʒɪm] [US: ˈdʒɪm]
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