television vs cable

television and cable both are nouns.

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

As nouns, cable is a hyponym of television; that is, cable is a word with a more specific, narrower meaning than television:

television: a telecommunication system that transmits images of objects (stationary or moving) between distant points
cable: a television system that transmits over cables

As nouns, cable is a hyponym of television; that is, cable is a word with a more specific, narrower meaning than television:

television (noun)	cable (noun)
a telecommunication system that transmits images of objects (stationary or moving) between distant points	a very strong thick rope made of twisted hemp or steel wire
an electronic device that receives television signals and displays them on a screen	a television system that transmits over cables
broadcasting visual images of stationary or moving objects	a conductor for transmitting electrical or optical signals or electric power
	a telegram sent abroad
	television that is transmitted over cable directly to the receiver
	a nautical unit of depth

television (verb)	cable (verb)
	send cables, wires, or telegrams
	fasten with a cable