river vs Chang Jiang

river and Chang Jiang both are nouns.

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

river (noun)	Chang Jiang (noun)
a large natural stream of water (larger than a creek)	the longest river of Asia; flows eastward from Tibet into the East China Sea near Shanghai