cable car vs compartment

cable car and compartment both are nouns.

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

As nouns, compartment is a hypernym of cable car; that is, compartment is a word with a broader meaning than cable car:

cable car: a conveyance for passengers or freight on a cable railway
compartment: a partitioned section, chamber, or separate room within a larger enclosed area

cable car (noun)	compartment (noun)
a conveyance for passengers or freight on a cable railway	a partitioned section, chamber, or separate room within a larger enclosed area
	a space into which an area is subdivided