scant vs throttle

scant is not a noun while throttle is a noun.

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

As verbs, throttle is a hypernym of scant; that is, throttle is a word with a broader meaning than scant:

Other hypernyms of scant include bound, confine, limit, restrict, trammel.

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

scant (adjective)	throttle (adjective)
less than the correct or legal or full amount often deliberately so

scant (verb)	throttle (verb)
supply sparingly and with restricted quantities	reduce the air supply
limit in quality or quantity	place limits on (extent or amount or access)
work hastily or carelessly; deal with inadequately and superficially	kill by squeezing the throat of so as to cut off the air