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Cognomen Tsank (Tsank , Цанк ) , in the entire world, is a very rare family name. The cognomen Tsank is characteristic of Kazakhstan, where it is a rare surname, Kyrgyzstan, where it is a very rare surname, and Georgia. In absolute terms, the name is most common in Russia, Kazakhstan, and the United States. Very seldom, Tsank is the forename as well as the last name.