superstar vs whizz

superstar and whizz both are nouns.

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

As nouns, superstar and whizz are synonyms defined as:

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

superstar (noun)	whizz (noun)
someone who is dazzlingly skilled in any field	someone who is dazzlingly skilled in any field

superstar (verb)	whizz (verb)
	move along very quickly
	make a soft swishing sound