argue vs contend

argue and contend both are verbs.

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

As verbs, argue and contend are synonyms defined as:

Other synonyms of argue include debate, fence.

argue (verb)	contend (verb)
have an argument about something	to make the subject of dispute, contention, or litigation
give evidence of	have an argument about something
present reasons and arguments	maintain or assert
	compete for something; engage in a contest; measure oneself against others
	be engaged in a fight; carry on a fight
	succeed in doing, achieving, or producing (something) with the limited or inadequate means available