car vs cable car

car and cable car both are nouns.

Word	Noun	Adjective	Verb	Adverb
car	Yes	No	No	No
cable car	Yes	No	No	No

As nouns, car and cable car are synonyms defined as:

car and cable car: a conveyance for passengers or freight on a cable railway

car (noun)	cable car (noun)
a motor vehicle with four wheels; usually propelled by an internal combustion engine	a conveyance for passengers or freight on a cable railway
a wheeled vehicle adapted to the rails of railroad
where passengers ride up and down
the compartment that is suspended from an airship and that carries personnel and the cargo and the power plant
a conveyance for passengers or freight on a cable railway