Independent State of Papua New Guinea vs country

Independent State of Papua New Guinea and country both are nouns.

Word	Noun	Adjective	Verb	Adverb
Independent State of Papua New Guinea	Yes	No	No	No
country	Yes	No	No	No

Independent State of Papua New Guinea (noun)	country (noun)
a parliamentary democracy on the eastern half of the island of New Guinea; in 1975 it became an independent state within the Commonwealth of Nations	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)