predict vs predictor

predict is not a noun while predictor is a noun.

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

predict (noun)	predictor (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)

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