rebroadcast vs broadcast

rebroadcast and broadcast both are nouns.

Word	Noun	Adjective	Verb	Adverb
rebroadcast	Yes	No	Yes	No
broadcast	Yes	No	Yes	No

As nouns, broadcast is a hypernym of rebroadcast; that is, broadcast is a word with a broader meaning than rebroadcast:

As verbs, broadcast is a hypernym of rebroadcast; that is, broadcast is a word with a broader meaning than rebroadcast:

Other hypernyms of rebroadcast include air, beam, send, transmit.

rebroadcast (noun)	broadcast (noun)
a broadcast that repeated at a later time	message that is transmitted by radio or television
	a radio or television show

rebroadcast (verb)	broadcast (verb)
broadcast again, as of a film	cause to become widely known
	broadcast over the airwaves, as in radio or television
	sow over a wide area, especially by hand