superstar vs genius

superstar and genius both are nouns.

Word	Noun	Adjective	Verb	Adverb
superstar	Yes	No	No	No
genius	Yes	No	No	No

As nouns, superstar and genius are synonyms defined as:

Other synonyms of superstar include ace, adept, champion, hotshot, maven, mavin, sensation, star, virtuoso, whiz, whizz, wiz, wizard.

superstar (noun)	genius (noun)
someone who is dazzlingly skilled in any field	exceptional creative ability
	a natural talent
	unusual mental ability
	someone who has exceptional intellectual ability and originality
	someone who is dazzlingly skilled in any field