Chu Kiang vs river

Chu Kiang and river both are nouns.

Word	Noun	Adjective	Verb	Adverb
Chu Kiang	Yes	No	No	No
river	Yes	No	No	No

Chu Kiang (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)