execute vs premiere

execute is not a noun while premiere is a noun.

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

As verbs, premiere is a hyponym of execute; that is, premiere is a word with a more specific, narrower meaning than execute:

execute (noun)	premiere (noun)
	the first public performance of a play or movie

execute (adjective)	premiere (adjective)
	preceding all others in time

execute (verb)	premiere (verb)
sign in the presence of witnesses	perform a work for the first time
put in effect	be performed for the first time
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