Zhu Jiang vs river

Zhu Jiang and river both are nouns.

Word	Noun	Adjective	Verb	Adverb
Zhu Jiang	Yes	No	No	No
river	Yes	No	No	No

Zhu Jiang (noun)	river (noun)
a river in southeast China that flows into the South China Sea	a large natural stream of water (larger than a creek)