railcar vs suspension

railcar and suspension both are nouns.

Word	Noun	Adjective	Verb	Adverb
railcar	Yes	No	No	No
suspension	Yes	No	No	No

railcar (noun)	suspension (noun)
a wheeled vehicle adapted to the rails of railroad	the act of suspending something (hanging it from above so it moves freely)
	a temporary debarment (from a privilege or position etc)
	a mechanical system of springs or shock absorbers connecting the wheels and axles to the chassis of a wheeled vehicle
	an interruption in the intensity or amount of something
	temporary cessation or suspension
	a mixture in which fine particles are suspended in a fluid where they are supported by buoyancy
	a time interval during which there is a temporary cessation of something