sportscast vs broadcast

sportscast and broadcast both are nouns.

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

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

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

sportscast (noun)	broadcast (noun)
a broadcast of sports news or commentary	message that is transmitted by radio or television
	a radio or television show

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