Union of Soviet Socialist Republics vs country

Union of Soviet Socialist Republics and country both are nouns.

Word	Noun	Adjective	Verb	Adverb
Union of Soviet Socialist Republics	Yes	No	No	No
country	Yes	No	No	No

Union of Soviet Socialist Republics (noun)	country (noun)
a former communist country in eastern Europe and northern Asia; established in 1922; included Russia and 14 other soviet socialist republics (Ukraine and Byelorussia and others); officially dissolved 31 December 1991	a politically organized body of people under a single government
	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)