lose vs loser

lose is not a noun while loser is a noun.

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

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

lose (verb)	loser (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