neutralise vs do in

neutralise and do in both are verbs.

Word	Noun	Adjective	Verb	Adverb
neutralise	No	No	Yes	No
do in	No	No	Yes	No

As verbs, neutralise and do in are synonyms defined as:

neutralise and do in: get rid of (someone who may be a threat) by killing

Other synonyms of neutralise include knock off, liquidate, neutralize, waste.

neutralise (verb)	do in (verb)
make chemically neutral	get rid of (someone who may be a threat) by killing
make ineffective by counterbalancing the effect of
make incapable of military action
get rid of (someone who may be a threat) by killing