execute vs slay

execute and slay both are verbs.

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

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

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

execute (verb)	slay (verb)
sign in the presence of witnesses	kill intentionally and with premeditation
put in effect	to succeed greatly
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