whistle vs sound

whistle and sound both are nouns.

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

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

whistle: the sound made by something moving rapidly or by steam coming out of a small aperture
sound: the sudden occurrence of an audible event

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

Other hypernyms of whistle include go.

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

Other hypernyms of whistle include go.

whistle (noun)	sound (noun)
an inexpensive fipple flute	the particular auditory effect produced by a given cause
acoustic device that forces air or steam against an edge or into a cavity and so produces a loud shrill sound	the subjective sensation of hearing something
a small wind instrument that produces a whistling sound by blowing into it	the audible part of a transmitted signal
the act of signalling (e.g., summoning) by whistling or blowing a whistle	(phonetics) an individual sound unit of speech without concern as to whether or not it is a phoneme of some language
the sound made by something moving rapidly or by steam coming out of a small aperture	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

whistle (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

whistle (verb)	sound (verb)
utter or express by whistling	measure the depth of (a body of water) with a sounding line
make a whining, ringing, or whistling sound	utter with vibrating vocal chords
give a signal by whistling	make a certain noise or sound
move with, or as with, a whistling sound	cause to sound
move, send, or bring as if by whistling	announce by means of a sound
make whistling sounds	give off a certain sound or sounds
	appear in a certain way