nominate vs nominator

nominate is not a noun while nominator is a noun.

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

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

nominate (verb)	nominator (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