Portuguese-based creole languages used to distinguish locally born black people of African descent from those who had been brought from Africa as slaves. In time, however, this generic sense was lost, and the word "crioulo" or its derivatives (like "Creole" and its equivalents in other languages) became the name of several specific Upper Guinean communities and their languages: the Guinean people and their Kriol language, Cape Verdean people and their Kriolu language, all of which still today have very vigorous use, suppressing the importance of official standard Portuguese. The oldest Portuguese-based creole are the so-called "crioulos" of Upper Guinea, born around the Portuguese
Uruguayan Portuguese produced by expiring the air partly through the nose and partly through the mouth. They do not exist in Spanish and therefore are generally derived from Portuguese words. Distinguishing nasal vowels is very important, because they can completely change the meaning of the word, like in the following examples: In the next table, when there is a reference to Spanish, it refers to the Rioplatense Spanish dialect, and where there is a reference to Portuguese, it refers to Brazilian Portuguese and more specifically the Gaúcho dialect (from the Brazilian Southern state of Rio Grande do Sul). Uruguayan Portuguese Uruguayan Portuguese