newscast vs sportscast

newscast and sportscast both are nouns.

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

As nouns, sportscast is a hyponym of newscast; that is, sportscast is a word with a more specific, narrower meaning than newscast:

Other hyponyms of newscast include radio news.

newscast (noun)	sportscast (noun)
a broadcast of news or commentary on the news	a broadcast of sports news or commentary

newscast (verb)	sportscast (verb)
	broadcast a sports event