disposal vs human action

disposal and human action both are nouns.

Word	Noun	Adjective	Verb	Adverb
disposal	Yes	No	No	No
human action	Yes	No	No	No

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

Other hypernyms of disposal include act, deed, human activity.

disposal (noun)	human action (noun)
the act or means of getting rid of something	something that people do or cause to happen
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