Saone vs river

Saone and river both are nouns.

Word	Noun	Adjective	Verb	Adverb
Saone	Yes	No	No	No
river	Yes	No	No	No

Saone (noun)	river (noun)
a river in eastern France; rises in Lorraine and flows south to become the chief tributary of the Rhone	a large natural stream of water (larger than a creek)