Republic of Uganda vs Africa

Republic of Uganda and Africa both are nouns.

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

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