country vs Upper Volta

country and Upper Volta both are nouns.

Word	Noun	Adjective	Verb	Adverb
country	Yes	No	No	No
Upper Volta	Yes	No	No	No

country (noun)	Upper Volta (noun)
a politically organized body of people under a single government	a desperately poor landlocked country in western Africa; was formerly Upper Volta under French rule but gained independence in 1960
the people who live in a nation or country
the territory occupied by a nation
an area outside of cities and towns
a particular geographical region of indefinite boundary (usually serving some special purpose or distinguished by its people or culture or geography)