disturbance vs upset

disturbance and upset both are nouns.

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

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

disturbance: the act of disturbing something or someone; setting something in motion
upset: the act of disturbing the mind or body

As nouns, upset is a hypernym of disturbance; that is, upset is a word with a broader meaning than disturbance:

disturbance: (psychiatry) a psychological disorder of thought or emotion; a more neutral term than mental illness
upset: a physical condition in which there is a disturbance of normal functioning

Other hypernyms of disturbance include disorder.

As nouns, disturbance and upset are synonyms defined as:

Other synonyms of disturbance include perturbation.

disturbance (noun)	upset (noun)
the act of disturbing something or someone; setting something in motion	an improbable and unexpected victory
a noisy fight	the act of disturbing the mind or body
activity that is a malfunction, intrusion, or interruption	the act of upsetting something
electrical or acoustic activity that can disturb communication	a tool used to thicken or spread metal (the end of a bar or a rivet etc.) by forging or hammering or swaging
a disorderly outburst or tumult	an unhappy and worried mental state
(psychiatry) a psychological disorder of thought or emotion; a more neutral term than mental illness	a physical condition in which there is a disturbance of normal functioning
an unhappy and worried mental state

disturbance (adjective)	upset (adjective)
	thrown into a state of disarray or confusion
	mildly physically distressed
	afflicted with or marked by anxious uneasiness or trouble or grief
	having been turned so that the bottom is no longer the bottom
	used of an unexpected defeat of a team favored to win

disturbance (verb)	upset (verb)
	disturb the balance or stability of
	defeat suddenly and unexpectedly
	form metals with a swage
	move deeply
	cause to lose one's composure
	cause to overturn from an upright or normal position