nullify vs invalidate

nullify and invalidate both are verbs.

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

As verbs, nullify and invalidate are synonyms defined as:

As verbs, nullify and invalidate are synonyms defined as:

Other synonyms of nullify include annul, avoid, quash, void.

nullify (verb)	invalidate (verb)
make ineffective by counterbalancing the effect of	take away the legal force of or render ineffective
show to be invalid	show to be invalid
declare invalid	make invalid for use
	declare invalid