Africa vs Republic of Madagascar

Africa and Republic of Madagascar both are nouns.

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

Africa (noun)	Republic of Madagascar (noun)
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	a republic on the island of Madagascar; achieved independence from France in 1960