contend vs lose

contend and lose both are verbs.

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

contend (verb)	lose (verb)
to make the subject of dispute, contention, or litigation	be set at a disadvantage
have an argument about something	withdraw, as from reality
maintain or assert	fail to win
compete for something; engage in a contest; measure oneself against others	suffer the loss of a person through death or removal
be engaged in a fight; carry on a fight	allow to go out of sight or mind
succeed in doing, achieving, or producing (something) with the limited or inadequate means available	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