Africa vs Republic of Uganda

Africa and Republic of Uganda both are nouns.

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

Africa (noun)	Republic of Uganda (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 landlocked republic in eastern Africa; achieved independence from the United Kingdom in 1962