Cameroon vs African country

Cameroon and African country both are nouns.

Word	Noun	Adjective	Verb	Adverb
Cameroon	Yes	No	No	No
African country	Yes	No	No	No

Cameroon (noun)	African country (noun)
a republic on the western coast of central Africa; was under French and British control until 1960	any one of the countries occupying the African continent
an inactive volcano in western Cameroon; highest peak on the West African coast