occupy vs expend

occupy and expend both are verbs.

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

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

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

occupy (verb)	expend (verb)
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	pay out
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