whiz vs genius

whiz and genius both are nouns.

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

As nouns, whiz and genius are synonyms defined as:

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

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

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