promulgator vs promulgate

promulgator is a noun but promulgate is not a noun.

Word	Noun	Adjective	Verb	Adverb
promulgator	Yes	No	No	No
promulgate	No	No	Yes	No

promulgator (noun)	promulgate (noun)
(law) one who promulgates laws (announces a law as a way of putting it into execution)

promulgator (verb)	promulgate (verb)
	state or announce
	put a law into effect by formal declaration