contend vs rack up

contend and rack up both are verbs.

Word	Noun	Adjective	Verb	Adverb
contend	No	No	Yes	No
rack up	No	No	Yes	No

contend (verb)	rack up (verb)
to make the subject of dispute, contention, or litigation	supply a rack with feed for (horses or other animals)
have an argument about something	defeat thoroughly
maintain or assert	gain points in a game
compete for something; engage in a contest; measure oneself against others	place in a rack
be engaged in a fight; carry on a fight
succeed in doing, achieving, or producing (something) with the limited or inadequate means available