Irtysh vs Irtysh River

Irtysh and Irtysh River both are nouns.

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

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

Irtysh and Irtysh River: an Asian river that rises in the Altai Mountains in northern China and flows generally northwest to become a tributary of the Ob River

Other synonyms of Irtysh include Irtish, Irtish River.

Irtysh (noun)	Irtysh River (noun)
an Asian river that rises in the Altai Mountains in northern China and flows generally northwest to become a tributary of the Ob River	an Asian river that rises in the Altai Mountains in northern China and flows generally northwest to become a tributary of the Ob River