Soudan vs Africa

Soudan and Africa both are nouns.

Word	Noun	Adjective	Verb	Adverb
Soudan	Yes	No	No	No
Africa	Yes	No	No	No

Soudan (noun)	Africa (noun)
a republic in northeastern Africa on the Red Sea; achieved independence from Egypt and the United Kingdom in 1956	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 region of northern Africa to the south of the Sahara and Libyan deserts; extends from the Atlantic to the Red Sea