Limpopo vs Crocodile River

Limpopo and Crocodile River both are nouns.

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

As nouns, Limpopo and Crocodile River are synonyms defined as:

Limpopo and Crocodile River: the second largest river in Africa that drains into the Indian Ocean; flows into the Indian Ocean

Limpopo (noun)	Crocodile River (noun)
the second largest river in Africa that drains into the Indian Ocean; flows into the Indian Ocean	the second largest river in Africa that drains into the Indian Ocean; flows into the Indian Ocean