outdo vs outgo

outdo is not a noun while outgo is a noun.

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

As verbs, outdo and outgo are synonyms defined as:

Other synonyms of outdo include exceed, outmatch, outperform, outstrip, surmount, surpass.

outdo (noun)	outgo (noun)
	money paid out; an amount spent

outdo (verb)	outgo (verb)
be or do something to a greater degree	be or do something to a greater degree
get the better of