accelerate vs accelerator

accelerate is not a noun while accelerator is a noun.

Word	Noun	Adjective	Verb	Adverb
accelerate	No	No	Yes	No
accelerator	Yes	No	No	No

accelerate (noun)	accelerator (noun)
	a valve that regulates the supply of fuel to the engine
	a scientific instrument that increases the kinetic energy of charged particles
	a pedal that controls the throttle valve
	(chemistry) a substance that initiates or accelerates a chemical reaction without itself being affected

accelerate (verb)	accelerator (verb)
move faster
cause to move faster