pit stop vs stop

pit stop and stop both are nouns.

Word	Noun	Adjective	Verb	Adverb
pit stop	Yes	No	No	No
stop	Yes	No	Yes	No

As nouns, stop is a hypernym of pit stop; that is, stop is a word with a broader meaning than pit stop:

pit stop: a brief stop at a pit during an automobile race to take on fuel or service the car
stop: a brief stay in the course of a journey

Other hypernyms of pit stop include layover, stopover.

As nouns, stop is a hypernym of pit stop; that is, stop is a word with a broader meaning than pit stop:

Other hypernyms of pit stop include layover, stopover.

pit stop (noun)	stop (noun)
a brief stop at a pit during an automobile race to take on fuel or service the car	the act of stopping something
a stop during an automobile trip for rest and refreshment	a brief stay in the course of a journey
	a restraint that checks the motion of something
	an obstruction in a pipe or tube
	a mechanical device in a camera that controls size of aperture of the lens
	(music) a knob on an organ that is pulled to change the sound quality from the organ pipes
	a consonant produced by stopping the flow of air at some point and suddenly releasing it
	a punctuation mark (.) placed at the end of a declarative sentence to indicate a full stop or after abbreviations
	the event of something ending
	a spot where something halts or pauses
	the state of inactivity following an interruption

pit stop (verb)	stop (verb)
	prevent completion
	stop and wait, as if awaiting further instructions or developments
	hold back, as of a danger or an enemy; check the expansion or influence of
	seize on its way
	render unsuitable for passage
	come to a halt, stop moving
	cause to end
	interrupt a trip
	stop from happening or developing
	put an end to a state or an activity
	have an end, in a temporal, spatial, or quantitative sense; either spatial or metaphorical