Susquehanna vs river

Susquehanna and river both are nouns.

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

Susquehanna (noun)	river (noun)
a river in the northeastern United States that rises in New York and flows southward through Pennsylvania and Maryland into Chesapeake Bay	a large natural stream of water (larger than a creek)