African nation vs Africa

African nation and Africa both are nouns.

Word	Noun	Adjective	Verb	Adverb
African nation	Yes	No	No	No
Africa	Yes	No	No	No

African nation (noun)	Africa (noun)
any one of the countries occupying the African continent	the second largest continent; located to the south of Europe and bordered to the west by the South Atlantic and to the east by the Indian Ocean