falsify vs murder

falsify is not a noun while murder is a noun.

Word	Noun	Adjective	Verb	Adverb
falsify	No	No	Yes	No
murder	Yes	No	Yes	No

As verbs, murder is a hyponym of falsify; that is, murder is a word with a more specific, narrower meaning than falsify:

Other hyponyms of falsify include mangle, mutilate.

falsify (noun)	murder (noun)
	unlawful premeditated killing of a human being by a human being

falsify (verb)	murder (verb)
falsify knowingly	alter so as to make unrecognizable
insert words into texts, often falsifying it thereby	kill intentionally and with premeditation
prove false
make false by mutilation or addition; as of a message or story
tamper, with the purpose of deception