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In all the world, Ruis (رويس , Ruis , Руис ) is quite a rare principally boy's, but scarcely feminine forename. The first name Ruis is characteristic of Egypt, where it is a rare largely masculine, but infrequently feminine name, Iraq, where it is a rare masculine name, and Saudi Arabia. Measured by absolute frequency, it most frequently occurs in Egypt, Indonesia, and Iraq. More prevalently, Ruis is the last name as well as the forename.