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Cognomen ชยวุฒิ (Chayawut , ชยวุฒิ , Chayawoot ) , all over the world, is an extremely rare last name. Much more frequently, ชยวุฒิ is the forename as well as the last name.
Chayawuet, and Chaywut
อภัยภักดิ์, and เลขะกุล