South American country vs South America

South American country and South America both are nouns.

Word	Noun	Adjective	Verb	Adverb
South American country	Yes	No	No	No
South America	Yes	No	No	No

South American country (noun)	South America (noun)
any one of the countries occupying the South American continent	the nations of the South American continent collectively
	a continent in the western hemisphere connected to North America by the Isthmus of Panama