Brazil vs South America

Brazil and South America both are nouns.

Word	Noun	Adjective	Verb	Adverb
Brazil	Yes	No	No	No
South America	Yes	No	No	No

Brazil (noun)	South America (noun)
the largest Latin American country and the largest Portuguese speaking country in the world; located in the central and northeastern part of South America; world's leading coffee exporter	the nations of the South American continent collectively
	a continent in the western hemisphere connected to North America by the Isthmus of Panama