telegraph vs cable

telegraph and cable both are nouns.

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

As verbs, telegraph and cable are synonyms defined as:

Other synonyms of telegraph include wire.

telegraph (noun)	cable (noun)
apparatus used to communicate at a distance over a wire (usually in Morse code)	a very strong thick rope made of twisted hemp or steel wire
	a television system that transmits over cables
	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

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