Ping River vs Ping

Ping River and Ping both are nouns.

Word	Noun	Adjective	Verb	Adverb
Ping River	Yes	No	No	No
Ping	Yes	No	No	No

As nouns, Ping River and Ping are synonyms defined as:

Ping River and Ping: a river in western Thailand; a major tributary of the Chao Phraya

Ping River (noun)	Ping (noun)
a river in western Thailand; a major tributary of the Chao Phraya	a river in western Thailand; a major tributary of the Chao Phraya