Republic of Mali vs Africa

Republic of Mali and Africa both are nouns.

Word	Noun	Adjective	Verb	Adverb
Republic of Mali	Yes	No	No	No
Africa	Yes	No	No	No

Republic of Mali (noun)	Africa (noun)
a landlocked republic in northwestern Africa; achieved independence from France in 1960; Mali was a center of West African civilization for more than 4,000 years	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