expenditure vs expend

expenditure is a noun but expend is not a noun.

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

expenditure (noun)	expend (noun)
the act of spending money for goods or services
the act of consuming something
money paid out; an amount spent

expenditure (verb)	expend (verb)
	use up (resources or materials)
	pay out