wiz vs whiz

wiz and whiz both are nouns.

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

As nouns, wiz and whiz are synonyms defined as:

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

wiz (noun)	whiz (noun)
someone who is dazzlingly skilled in any field	a buzzing or hissing sound as of something traveling rapidly through the air
	someone who is dazzlingly skilled in any field

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