river vs Scheldt

river and Scheldt both are nouns.

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

river (noun)	Scheldt (noun)
a large natural stream of water (larger than a creek)	a river that rises in France and flows northeast across Belgium and empties into the North Sea