invalidate vs contradict

invalidate and contradict both are verbs.

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

As verbs, contradict is a hypernym of invalidate; that is, contradict is a word with a broader meaning than invalidate:

Other hypernyms of invalidate include negate.

invalidate (verb)	contradict (verb)
take away the legal force of or render ineffective	prove negative; show to be false
show to be invalid	deny the truth of
make invalid for use	be resistant to
declare invalid	be in contradiction with