contradict vs contradiction

contradict is not a noun while contradiction is a noun.

Word	Noun	Adjective	Verb	Adverb
contradict	No	No	Yes	No
contradiction	Yes	No	No	No

contradict (noun)	contradiction (noun)
	the speech act of contradicting someone
	(logic) a statement that is necessarily false
	opposition between two conflicting forces or ideas

contradict (verb)	contradiction (verb)
prove negative; show to be false
deny the truth of
be resistant to
be in contradiction with