Colombia vs South American country

Colombia and South American country both are nouns.

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

Colombia (noun)	South American country (noun)
a republic in northwestern South America with a coastline on the Pacific Ocean and the Caribbean Sea; achieved independence from Spain in 1821 under the leadership of Simon Bolivar; Spanish is the official language	any one of the countries occupying the South American continent