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Surname Kaich (Kaich , Каиш ) , around the world, is a rare cognomen. The cognomen Kaich is characteristic of Morocco, where it is a rare surname, Kazakhstan, where it is a very rare surname, and Kyrgyzstan. Measured by absolute frequency, it is the most numerous in Morocco, Russia, and the United States. Much less frequently, Kaich is the forename as well as the last name.