disturbance vs hassle

disturbance and hassle both are nouns.

Word	Noun	Adjective	Verb	Adverb
disturbance	Yes	No	No	No
hassle	Yes	No	Yes	No

As nouns, hassle is a hyponym of disturbance; that is, hassle is a word with a more specific, narrower meaning than disturbance:

Other hyponyms of disturbance include bother, fuss, trouble, magnetic storm.

disturbance (noun)	hassle (noun)
the act of disturbing something or someone; setting something in motion	disorderly fighting
a noisy fight	an angry disturbance
activity that is a malfunction, intrusion, or interruption
electrical or acoustic activity that can disturb communication
a disorderly outburst or tumult
(psychiatry) a psychological disorder of thought or emotion; a more neutral term than mental illness
an unhappy and worried mental state

disturbance (verb)	hassle (verb)
	annoy continually or chronically