argue vs reason

argue is not a noun while reason is a noun.

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

As verbs, argue and reason are synonyms defined as:

argue (noun)	reason (noun)
	the capacity for rational thought or inference or discrimination
	a fact that logically justifies some premise or conclusion
	a justification for something existing or happening
	an explanation of the cause of some phenomenon
	a rational motive for a belief or action
	the state of having good sense and sound judgment

argue (verb)	reason (verb)
have an argument about something	think logically
give evidence of	decide by reasoning; draw or come to a conclusion
present reasons and arguments	present reasons and arguments