execute vs polish off

execute and polish off both are verbs.

Word	Noun	Adjective	Verb	Adverb
execute	No	No	Yes	No
polish off	No	No	Yes	No

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

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

execute (verb)	polish off (verb)
sign in the presence of witnesses	finish a task completely
put in effect	finish eating all the food on one's plate or on the table
carry out or perform an action	kill intentionally and with premeditation
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