Araguaia River vs Federative Republic of Brazil

Araguaia River and Federative Republic of Brazil both are nouns.

Word	Noun	Adjective	Verb	Adverb
Araguaia River	Yes	No	No	No
Federative Republic of Brazil	Yes	No	No	No

Araguaia River (noun)	Federative Republic of Brazil (noun)
a river in central Brazil that flows generally northward (with many falls) to join the Tocantins River	the largest Latin American country and the largest Portuguese speaking country in the world; located in the central and northeastern part of South America; world's leading coffee exporter