genius vs whiz

genius and whiz both are nouns.

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

As nouns, genius and whiz are synonyms defined as:

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

genius (noun)	whiz (noun)
exceptional creative ability	a buzzing or hissing sound as of something traveling rapidly through the air
a natural talent	someone who is dazzlingly skilled in any field
unusual mental ability
someone who has exceptional intellectual ability and originality
someone who is dazzlingly skilled in any field

genius (verb)	whiz (verb)
	make a soft swishing sound