river vs Kura

river and Kura both are nouns.

Word	Noun	Adjective	Verb	Adverb
river	Yes	No	No	No
Kura	Yes	No	No	No

river (noun)	Kura (noun)
a large natural stream of water (larger than a creek)	a river in western Asia; rises in northeast Turkey and flows to the Caspian Sea