Republic of Benin vs African country

Republic of Benin and African country both are nouns.

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

Republic of Benin (noun)	African country (noun)
a country on western coast of Africa; formerly under French control	any one of the countries occupying the African continent