continent vs South America

continent and South America both are nouns.

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

continent (noun)	South America (noun)
one of the large landmasses of the earth	the nations of the South American continent collectively
	a continent in the western hemisphere connected to North America by the Isthmus of Panama

continent (adjective)	South America (adjective)
having control over urination and defecation
abstaining from sexual intercourse