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Cognomen Spec (Spec , Speck , Spezie ) , across the world, is a common family name. The cognomen Spec is habitual in Western Europe, particularly Switzerland, where it is quite a common surname, Germany, where it is quite a rare surname, and Luxembourg. Not in comparison with a country's population, this name is the most popular in Germany, the United States, and Switzerland. Much less frequently, Spec is the forename as well as the last name.