South American country vs Co-operative Republic of Guyana

South American country and Co-operative Republic of Guyana both are nouns.

Word	Noun	Adjective	Verb	Adverb
South American country	Yes	No	No	No
Co-operative Republic of Guyana	Yes	No	No	No

South American country (noun)	Co-operative Republic of Guyana (noun)
any one of the countries occupying the South American continent	a republic in northeastern South America; formerly part of the British Empire, but it achieved independence from the United Kingdom in 1966