Republic of Cuba vs country

Republic of Cuba and country both are nouns.

Word	Noun	Adjective	Verb	Adverb
Republic of Cuba	Yes	No	No	No
country	Yes	No	No	No

Republic of Cuba (noun)	country (noun)
a communist state in the Caribbean on the island of Cuba	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)