expenditure vs expense

expenditure and expense both are nouns.

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

As nouns, expense is a hyponym of expenditure; that is, expense is a word with a more specific, narrower meaning than expenditure:

Other hyponyms of expenditure include cost, transfer payment.

expenditure (noun)	expense (noun)
the act of spending money for goods or services	a detriment or sacrifice
the act of consuming something	amounts paid for goods and services that may be currently tax deductible (as opposed to capital expenditures)
money paid out; an amount spent	money spent to perform work and usually reimbursed by an employer

expenditure (verb)	expense (verb)
	reduce the estimated value of something