detector vs detect

detector is a noun but detect is not a noun.

Word	Noun	Adjective	Verb	Adverb
detector	Yes	No	No	No
detect	No	No	Yes	No

detector (noun)	detect (noun)
any device that receives a signal or stimulus (as heat or pressure or light or motion etc.) and responds to it in a distinctive manner
electronic equipment that detects the presence of radio signals or radioactivity
rectifier that extracts modulation from a radio carrier wave

detector (verb)	detect (verb)
	discover or determine the existence, presence, or fact of by perception with the eyes