Africa vs Lake Tanganyika

Africa and Lake Tanganyika both are nouns.

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

Africa (noun)	Lake Tanganyika (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	the longest lake in the world in central Africa between Tanzania and Congo in the Great Rift Valley