South America vs West

South America and West both are nouns.

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

South America (noun)	West (noun)
the nations of the South American continent collectively	the countries of (originally) Europe and (now including) North America and South America
a continent in the western hemisphere connected to North America by the Isthmus of Panama	the region of the United States lying to the west of the Mississippi River
	English painter (born in America) who became the second president of the Royal Academy (1738-1820)
	United States film actress (1892-1980)
	British writer (born in Ireland) (1892-1983)