disturb vs upset

disturb is not a noun while upset is a noun.

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

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

Other hyponyms of disturb include violate.

As verbs, disturb and upset are synonyms defined as:

Other synonyms of disturb include trouble.

disturb (noun)	upset (noun)
	an improbable and unexpected victory
	the act of disturbing the mind or body
	the act of upsetting something
	a tool used to thicken or spread metal (the end of a bar or a rivet etc.) by forging or hammering or swaging
	an unhappy and worried mental state
	a physical condition in which there is a disturbance of normal functioning

disturb (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

disturb (verb)	upset (verb)
destroy the peace or tranquility of	disturb the balance or stability of
damage as if by shaking or jarring	defeat suddenly and unexpectedly
tamper with	form metals with a swage
change the arrangement or position of	move deeply
move deeply	cause to lose one's composure
	cause to overturn from an upright or normal position