expend vs use

expend is not a noun while use is a noun.

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

As verbs, expend and use are synonyms defined as:

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

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

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

expend (noun)	use (noun)
	the act of using
	(psychology) an automatic pattern of behavior in reaction to a specific situation; may be inherited or acquired through frequent repetition
	exerting shrewd or devious influence especially for one's own advantage
	what something is used for
	a particular service
	(law) the exercise of the legal right to enjoy the benefits of owning property
	(economics) the utilization of economic goods to satisfy needs or in manufacturing

expend (verb)	use (verb)
use up (resources or materials)	put into service; make work or employ for a particular purpose or for its inherent or natural purpose
pay out	take or consume (regularly or habitually)
	use up (resources or materials)
	habitually do something or be in a certain state or place (use only in the past tense)
	avail oneself to
	seek or achieve an end by using to one's advantage