executive vs execute

executive is a noun but execute is not a noun.

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

executive (noun)	execute (noun)
persons who administer the law
a person responsible for the administration of a business
someone who manages a government agency or department

executive (adjective)	execute (adjective)
having the function of carrying out plans or orders etc.

executive (verb)	execute (verb)
	sign in the presence of witnesses
	put in effect
	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