fulfil vs execute

fulfil and execute both are verbs.

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

As verbs, fulfil and execute are synonyms defined as:

Other synonyms of fulfil include accomplish, action, carry out, carry through, fulfill.

fulfil (verb)	execute (verb)
fill, satisfy or meet a want or need or condition or restriction	sign in the presence of witnesses
put in effect	put in effect
meet the requirements or expectations of	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