Cam River vs River Cam

Cam River and River Cam both are nouns.

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

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

Cam River and River Cam: a river in east central England that flows past Cambridge to join the Ouse River

Other synonyms of Cam River include Cam.

Cam River (noun)	River Cam (noun)
a river in east central England that flows past Cambridge to join the Ouse River	a river in east central England that flows past Cambridge to join the Ouse River