hum vs noise

hum and noise both are nouns.

Word	Noun	Adjective	Verb	Adverb
hum	Yes	No	Yes	No
noise	Yes	No	Yes	No

As nouns, noise is a hypernym of hum; that is, noise is a word with a broader meaning than hum:

As verbs, noise is a hypernym of hum; that is, noise is a word with a broader meaning than hum:

Other hypernyms of hum include make noise, resound.

hum (noun)	noise (noun)
a humming noise	the quality of lacking any predictable order or plan
the state of being or appearing to be actively engaged in an activity	incomprehensibility resulting from irrelevant information or meaningless facts or remarks
	the auditory experience of sound that lacks musical quality; sound that is a disagreeable auditory experience
	a loud outcry of protest or complaint
	sound of any kind (especially unintelligible or dissonant sound)
	electrical or acoustic activity that can disturb communication