Zambia vs Africa

Zambia and Africa both are nouns.

Word	Noun	Adjective	Verb	Adverb
Zambia	Yes	No	No	No
Africa	Yes	No	No	No

Zambia (noun)	Africa (noun)
a republic in central Africa; formerly controlled by Great Britain and called Northern Rhodesia until it gained independence within the commonwealth in 1964	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