accelerator pedal vs throttle

accelerator pedal and throttle both are nouns.

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

As nouns, accelerator pedal and throttle are synonyms defined as:

accelerator pedal and throttle: a pedal that controls the throttle valve

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

accelerator pedal (noun)	throttle (noun)
a pedal that controls the throttle valve	a valve that regulates the supply of fuel to the engine
	a pedal that controls the throttle valve

accelerator pedal (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