eat up vs occupy

eat up and occupy both are verbs.

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

As verbs, occupy is a hyponym of eat up; that is, occupy is a word with a more specific, narrower meaning than eat up:

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