whiz vs sound

whiz and sound both are nouns.

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

As nouns, sound is a hypernym of whiz; that is, sound is a word with a broader meaning than whiz:

whiz: a buzzing or hissing sound as of something traveling rapidly through the air
sound: the sudden occurrence of an audible event

As verbs, sound is a hypernym of whiz; that is, sound is a word with a broader meaning than whiz:

Other hypernyms of whiz include go.

whiz (noun)	sound (noun)
a buzzing or hissing sound as of something traveling rapidly through the air	the particular auditory effect produced by a given cause
someone who is dazzlingly skilled in any field	the subjective sensation of hearing something
	the audible part of a transmitted signal
	(phonetics) an individual sound unit of speech without concern as to whether or not it is a phoneme of some language
	the sudden occurrence of an audible event
	a large ocean inlet or deep bay
	a narrow channel of the sea joining two larger bodies of water
	mechanical vibrations transmitted by an elastic medium

whiz (adjective)	sound (adjective)
	financially secure and safe
	in good condition; free from defect or damage or decay
	complete; thorough
	(of sleep) deep and complete
	in excellent physical condition
	exercising or showing good judgment
	free from moral defect
	vigorous or severe
	having legal efficacy or force
	logically valid

whiz (verb)	sound (verb)
make a soft swishing sound	measure the depth of (a body of water) with a sounding line
	utter with vibrating vocal chords
	make a certain noise or sound
	cause to sound
	announce by means of a sound
	give off a certain sound or sounds
	appear in a certain way