accelerator vs throttle

accelerator and throttle both are nouns.

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

As nouns, accelerator and throttle are synonyms defined as:

accelerator and throttle: a valve that regulates the supply of fuel to the engine

Other synonyms of accelerator include throttle valve.

As nouns, accelerator and throttle are synonyms defined as:

Other synonyms of accelerator include accelerator pedal, gas, gas pedal, gun.

accelerator (noun)	throttle (noun)
a valve that regulates the supply of fuel to the engine	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
a pedal that controls the throttle valve
(chemistry) a substance that initiates or accelerates a chemical reaction without itself being affected

accelerator (verb)	throttle (verb)
	reduce the air supply
	place limits on (extent or amount or access)
	kill by squeezing the throat of so as to cut off the air