Kura River vs Kura

Kura River and Kura both are nouns.

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

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

Kura River and Kura: a river in western Asia; rises in northeast Turkey and flows to the Caspian Sea

Kura River (noun)	Kura (noun)
a river in western Asia; rises in northeast Turkey and flows to the Caspian Sea	a river in western Asia; rises in northeast Turkey and flows to the Caspian Sea