Republic of Chad vs Africa

Republic of Chad and Africa both are nouns.

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

Republic of Chad (noun)	Africa (noun)
a landlocked desert republic in north-central Africa; was under French control until 1960	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