execute vs execution

execute is not a noun while execution is a noun.

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

execute (noun)	execution (noun)
	putting a condemned person to death
	unlawful premeditated killing of a human being by a human being
	the act of performing; of doing something successfully; using knowledge as distinguished from merely possessing it
	the act of accomplishing some aim or executing some order
	a routine court order that attempts to enforce the judgment that has been granted to a plaintiff by authorizing a sheriff to carry it out
	(law) the completion of a legal instrument (such as a contract or deed) by signing it (and perhaps sealing and delivering it) so that it becomes legally binding and enforceable
	(computer science) the process of carrying out an instruction by a computer

execute (verb)	execution (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