African country vs Republic of Cameroon

African country and Republic of Cameroon both are nouns.

Word	Noun	Adjective	Verb	Adverb
African country	Yes	No	No	No
Republic of Cameroon	Yes	No	No	No

African country (noun)	Republic of Cameroon (noun)
any one of the countries occupying the African continent	a republic on the western coast of central Africa; was under French and British control until 1960