Burundi vs African country

Burundi and African country both are nouns.

Word	Noun	Adjective	Verb	Adverb
Burundi	Yes	Yes	No	No
African country	Yes	No	No	No

Burundi (noun)	African country (noun)
a landlocked republic in east central Africa on the northeastern shore of Lake Tanganyika	any one of the countries occupying the African continent

Burundi (adjective)	African country (adjective)
of or relating to or characteristic of Burundi or its people