transmit vs rebroadcast

transmit is not a noun while rebroadcast is a noun.

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

As verbs, rebroadcast is a hyponym of transmit; that is, rebroadcast is a word with a more specific, narrower meaning than transmit:

Other hyponyms of transmit include satellite, sportscast, telecast, televise, interrogate, rerun.

transmit (noun)	rebroadcast (noun)
	a broadcast that repeated at a later time

transmit (verb)	rebroadcast (verb)
broadcast over the airwaves, as in radio or television	broadcast again, as of a film
send from one person or place to another
transmit or serve as the medium for transmission
transfer to another