river vs Apalachicola

river and Apalachicola both are nouns.

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

river (noun)	Apalachicola (noun)
a large natural stream of water (larger than a creek)	a river in northwestern Florida formed by the confluence of the Chattahoochee River and the Flint River at the Florida border