confine vs throttle

confine is not a noun while throttle is a noun.

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

As verbs, confine and throttle are synonyms defined as:

Other synonyms of confine include bound, limit, restrict, trammel.

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

confine (verb)	throttle (verb)
place limits on (extent or amount or access)	reduce the air supply
to close within bounds, or otherwise limit or deprive of free movement	place limits on (extent or amount or access)
prevent from leaving or from being removed	kill by squeezing the throat of so as to cut off the air
deprive of freedom; take into confinement
close in