throttle vs throttle valve

throttle and throttle valve both are nouns.

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

As nouns, throttle and throttle valve are synonyms defined as:

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

Other synonyms of throttle include accelerator.

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

throttle (verb)	throttle valve (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