neutralise vs nullify

neutralise and nullify both are verbs.

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

As verbs, neutralise and nullify are synonyms defined as:

neutralise and nullify: make ineffective by counterbalancing the effect of

Other synonyms of neutralise include negate, neutralize.

neutralise (verb)	nullify (verb)
make chemically neutral	make ineffective by counterbalancing the effect of
make ineffective by counterbalancing the effect of	show to be invalid
make incapable of military action	declare invalid
get rid of (someone who may be a threat) by killing