Scheldt vs river

Scheldt and river both are nouns.

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

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