broadcast vs transmit

broadcast is a noun but transmit is not a noun.

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

As verbs, broadcast and transmit are synonyms defined as:

broadcast and transmit: broadcast over the airwaves, as in radio or television

Other synonyms of broadcast include air, beam, send.

broadcast (noun)	transmit (noun)
message that is transmitted by radio or television
a radio or television show

broadcast (verb)	transmit (verb)
cause to become widely known	broadcast over the airwaves, as in radio or television
broadcast over the airwaves, as in radio or television	send from one person or place to another
sow over a wide area, especially by hand	transmit or serve as the medium for transmission
	transfer to another