A map of Languages in the Western Hemisphere. A color-coded key marks countries with languages spoken. The U S and Canada speak English. Greenland speaks Inuit. Iceland speaks Other. Mexico, Middle America, and most of South America speak Spanish. Brazil speaks Portuguese. French Guyana and parts of the Caribbean speak French. Suriname speaks Dutch. Guyana speaks English. Study the map, and then complete the statements using the drop-down menus. is the most commonly spoken language in Central America. is the least commonly spoken language in South America. In Brazil, the largest country in South America, is primarily spoken. Most people of South America speak one of different European languages.