Seyhan vs river

Seyhan and river both are nouns.

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

Seyhan (noun)	river (noun)
a city in southern Turkey on the Seyhan River	a large natural stream of water (larger than a creek)
a Turkish river flowing south southwest into the Mediterranean