Aras vs Araxes

Aras and Araxes both are nouns.

Word	Noun	Adjective	Verb	Adverb
Aras	Yes	No	No	No
Araxes	Yes	No	No	No

As nouns, Aras and Araxes are synonyms defined as:

Aras and Araxes: a river that rises in northeastern Turkey (near the source of the Euphrates) and flows generally eastward through Armenia to the Caspian Sea; ancient name was Araxes

Aras (noun)	Araxes (noun)
a river that rises in northeastern Turkey (near the source of the Euphrates) and flows generally eastward through Armenia to the Caspian Sea; ancient name was Araxes	a river that rises in northeastern Turkey (near the source of the Euphrates) and flows generally eastward through Armenia to the Caspian Sea; ancient name was Araxes