African nation vs Abyssinia

African nation and Abyssinia both are nouns.

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

African nation (noun)	Abyssinia (noun)
any one of the countries occupying the African continent	Ethiopia is a republic in northeastern Africa on the Red Sea; formerly called Abyssinia