predictor vs predict

predictor is a noun but predict is not a noun.

Word	Noun	Adjective	Verb	Adverb
predictor	Yes	No	No	No
predict	No	No	Yes	No

predictor (noun)	predict (noun)
a computer for controlling antiaircraft fire that computes the position of an aircraft at the instant of a shell's arrival
information that supports a probabilistic estimate of future events
someone who makes predictions of the future (usually on the basis of special knowledge)

predictor (verb)	predict (verb)
	make a prediction about; tell in advance
	indicate, as with a sign or an omen