river vs Susquehanna River

river and Susquehanna River both are nouns.

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

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