outgo vs expenditure

outgo and expenditure both are nouns.

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

As nouns, outgo and expenditure are synonyms defined as:

Other synonyms of outgo include outlay, spending.

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

outgo (verb)	expenditure (verb)
be or do something to a greater degree