river vs Wabash

river and Wabash both are nouns.

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

river (noun)	Wabash (noun)
a large natural stream of water (larger than a creek)	a tributary of the Ohio River that rises in western Ohio and flows southwestward across Indiana