Africa vs Lake Chad

Africa and Lake Chad both are nouns.

Word	Noun	Adjective	Verb	Adverb
Africa	Yes	No	No	No
Lake Chad	Yes	No	No	No

Africa (noun)	Lake Chad (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 lake in north central Africa; fed by the Shari river