auction vs outbid

auction is a noun but outbid is not a noun.

Word	Noun	Adjective	Verb	Adverb
auction	Yes	No	Yes	No
outbid	No	No	Yes	No

auction (noun)	outbid (noun)
the public sale of something to the highest bidder
a variety of bridge in which tricks made in excess of the contract are scored toward game; now generally superseded by contract bridge

auction (verb)	outbid (verb)
sell at an auction	bid higher than others
	bid over an opponent's bid when one's partner has not bid or doubled