Housatonic vs river

Housatonic and river both are nouns.

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

Housatonic (noun)	river (noun)
a river that rises in western Massachusetts and flows south through Connecticut to empty into Long Island Sound	a large natural stream of water (larger than a creek)