expend vs occupy

expend and occupy both are verbs.

Word	Noun	Adjective	Verb	Adverb
expend	No	No	Yes	No
occupy	No	No	Yes	No

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

expend (verb)	occupy (verb)
use up (resources or materials)	consume all of one's attention or time
pay out	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