do work vs occupy

do work and occupy both are verbs.

Word	Noun	Adjective	Verb	Adverb
do work	No	No	Yes	No
occupy	No	No	Yes	No

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

do work (verb)	occupy (verb)
be employed	consume all of one's attention or time
	march aggressively into another's territory by military force for the purposes of conquest and occupation
	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