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Cognomen Radik (Радик , Radik , Радік ) , worldwide, is quite a common last name. The family name Radik is habitual in Armenia, where it is quite a common surname, Estonia, where it is quite a rare surname, and Kyrgyzstan. Not in comparison with a country's population, it is the most numerous in Armenia, Russia, and Ukraine. More frequently, Radik is the forename as well as the last name.