disposal vs management

disposal and management both are nouns.

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

As nouns, management is a hypernym of disposal; that is, management is a word with a broader meaning than disposal:

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

Other hypernyms of disposal include direction.

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