river vs Zhu Jiang

river and Zhu Jiang both are nouns.

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

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