Delaware vs river

Delaware and river both are nouns.

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

Delaware (noun)	river (noun)
the Algonquian language spoken by the Delaware	a large natural stream of water (larger than a creek)
a Mid-Atlantic state; one of the original 13 colonies, with capital Dover
one of the British colonies that formed the United States, with capital New Castle
a river that rises in the Catskills in southeastern New York and flows southward along the border of Pennsylvania with New York and New Jersey to northern Delaware where it empties into Delaware Bay
a member of an Algonquian people formerly living in New Jersey and New York and parts of Delaware and Pennsylvania