South Africa vs Africa

South Africa and Africa both are nouns.

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

South Africa (noun)	Africa (noun)
a republic at the southernmost part of Africa; achieved independence from the United Kingdom in 1910; first European settlers were Dutch (known as Boers)	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