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Cognomen רואש (Roash , רואש , Rouach ) , across the world, is a rare family name. The family name רואש is habitual in Monaco, where it is quite a common surname, Israel, where it is quite a rare surname, and France, where it is a rare surname. Measured by absolute frequency, it is commonest in Israel, France, and Egypt. Much less frequently, רואש is the forename as well as the last name.