disturb vs disturbance

disturb is not a noun while disturbance is a noun.

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

disturb (noun)	disturbance (noun)
	the act of disturbing something or someone; setting something in motion
	a noisy fight
	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

disturb (verb)	disturbance (verb)
destroy the peace or tranquility of
damage as if by shaking or jarring
tamper with
change the arrangement or position of
move deeply