Rhone vs Rhone River

Rhone and Rhone River both are nouns.

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

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

Rhone and Rhone River: a major French river; flows into the Mediterranean near Marseilles

Rhone (noun)	Rhone River (noun)
a major French river; flows into the Mediterranean near Marseilles	a major French river; flows into the Mediterranean near Marseilles