Ouranos vs Uranus

Ouranos and Uranus both are nouns.

Word	Noun	Adjective	Verb	Adverb
Ouranos	Yes	No	No	No
Uranus	Yes	No	No	No

As nouns, Ouranos and Uranus are synonyms defined as:

Ouranos and Uranus: (Greek mythology) god of the heavens; son and husband of Gaea and father of the Titans in ancient mythology

Ouranos (noun)	Uranus (noun)
(Greek mythology) god of the heavens; son and husband of Gaea and father of the Titans in ancient mythology	a giant planet with a ring of ice particles; the 7th planet from the sun has a blue-green color and many satellites
	(Greek mythology) god of the heavens; son and husband of Gaea and father of the Titans in ancient mythology