management vs disposal

management and disposal both are nouns.

Word	Noun	Adjective	Verb	Adverb
management	Yes	No	No	No
disposal	Yes	No	No	No

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

management: the act of managing something
disposal: a method of tending to or managing the affairs of some group of people (especially the group's business affairs)

management (noun)	disposal (noun)
the act of managing something	the act or means of getting rid of something
those in charge of running a business	a method of tending to or managing the affairs of some group of people (especially the group's business affairs)
	a kitchen appliance for disposing of garbage
	the power to use something or someone