African nation vs Islamic Republic of Mauritania

African nation and Islamic Republic of Mauritania both are nouns.

Word	Noun	Adjective	Verb	Adverb
African nation	Yes	No	No	No
Islamic Republic of Mauritania	Yes	No	No	No

African nation (noun)	Islamic Republic of Mauritania (noun)
any one of the countries occupying the African continent	a country in northwestern Africa with a provisional military government; achieved independence from France in 1960; largely western Sahara Desert