execute vs murder

execute is not a noun while murder is a noun.

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

As verbs, murder is a hypernym of execute; that is, murder is a word with a broader meaning than execute:

Other hypernyms of execute include bump off, dispatch, hit, off, polish off, remove, slay.

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

execute (verb)	murder (verb)
sign in the presence of witnesses	alter so as to make unrecognizable
put in effect	kill intentionally and with premeditation
carry out or perform an action
kill as a means of socially sanctioned punishment
murder in a planned fashion
carry out the legalities of
carry out a process or program, as on a computer or a machine