Brazos vs Brazos River

Brazos and Brazos River both are nouns.

Word	Noun	Adjective	Verb	Adverb
Brazos	Yes	No	No	No
Brazos River	Yes	No	No	No

As nouns, Brazos and Brazos River are synonyms defined as:

Brazos and Brazos River: a river that rises in Mexico and flows across Texas into the Gulf of Mexico

Brazos (noun)	Brazos River (noun)
a river that rises in Mexico and flows across Texas into the Gulf of Mexico	a river that rises in Mexico and flows across Texas into the Gulf of Mexico