broadcast vs broadcaster

broadcast and broadcaster both are nouns.

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

broadcast (noun)	broadcaster (noun)
message that is transmitted by radio or television	a mechanical device for scattering something (seed or fertilizer or sand etc.) in all directions
a radio or television show	someone who broadcasts on radio or television

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