regulate vs regulator

regulate is not a noun while regulator is a noun.

Word	Noun	Adjective	Verb	Adverb
regulate	No	No	Yes	No
regulator	Yes	No	No	No

regulate (noun)	regulator (noun)
	any of various controls or devices for regulating or controlling fluid flow, pressure, temperature, etc.
	a control that maintains a steady speed in a machine (as by controlling the supply of fuel)
	an official responsible for control and supervision of a particular activity or area of public interest

regulate (verb)	regulator (verb)
fix or adjust the time, amount, degree, or rate of
restrain the emission of (sound, fluid, etc.)
shape or influence; give direction to
bring into conformity with rules or principles or usage; impose regulations