loser vs lose

loser is a noun but lose is not a noun.

Word	Noun	Adjective	Verb	Adverb
loser	Yes	No	No	No
lose	No	No	Yes	No

loser (noun)	lose (noun)
a gambler who loses a bet
a contestant who loses the contest
a person with a record of failing; someone who loses consistently

loser (verb)	lose (verb)
	be set at a disadvantage
	withdraw, as from reality
	fail to win
	suffer the loss of a person through death or removal
	allow to go out of sight or mind
	fail to perceive or to catch with the senses or the mind
	fail to get or obtain
	miss from one's possessions; lose sight of
	fail to keep or to maintain; cease to have, either physically or in an abstract sense
	fail to make money in a business; make a loss or fail to profit