Para vs Para River

Para and Para River both are nouns.

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

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

Para and Para River: an estuary in northern Brazil into which the Tocantins River flows

Para (noun)	Para River (noun)
port city in northern Brazil in the Amazon delta; main port and commercial center for the Amazon River basin	an estuary in northern Brazil into which the Tocantins River flows
an estuary in northern Brazil into which the Tocantins River flows