Africa vs continent

Africa and continent both are nouns.

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

Africa (noun)	continent (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	one of the large landmasses of the earth

Africa (adjective)	continent (adjective)
	having control over urination and defecation
	abstaining from sexual intercourse