Crocodile River vs river

Crocodile River and river both are nouns.

Word	Noun	Adjective	Verb	Adverb
Crocodile River	Yes	No	No	No
river	Yes	No	No	No

Crocodile River (noun)	river (noun)
the second largest river in Africa that drains into the Indian Ocean; flows into the Indian Ocean	a large natural stream of water (larger than a creek)