nominator vs nominate

nominator is a noun but nominate is not a noun.

Word	Noun	Adjective	Verb	Adverb
nominator	Yes	No	No	No
nominate	No	No	Yes	No

nominator (noun)	nominate (noun)
someone who proposes a candidate for appointment or election

nominator (verb)	nominate (verb)
	propose as a candidate for some honor
	create and charge with a task or function
	charge with a function; charge to be
	put forward; nominate for appointment to an office or for an honor or position