misuse vs expend

misuse is a noun but expend is not a noun.

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

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

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

misuse (noun)	expend (noun)
improper or excessive use

misuse (verb)	expend (verb)
change the inherent purpose or function of something	use up (resources or materials)
apply to a wrong thing or person; apply badly or incorrectly	pay out