occupy vs eat up

occupy and eat up both are verbs.

Word	Noun	Adjective	Verb	Adverb
occupy	No	No	Yes	No
eat up	No	No	Yes	No

As verbs, eat up is a hypernym of occupy; that is, eat up is a word with a broader meaning than occupy:

Other hypernyms of occupy include consume, deplete, eat, exhaust, expend, run through, use, use up, wipe out.

occupy (verb)	eat up (verb)
consume all of one's attention or time	finish eating all the food on one's plate or on the table
march aggressively into another's territory by military force for the purposes of conquest and occupation	use up (resources or materials)
require (time or space)	enclose or envelop completely, as if by swallowing
keep busy with
assume, as of positions or roles
live (in a certain place)
occupy the whole of
be on the mind of