news media vs tabloid

news media and tabloid both are nouns.

Word	Noun	Adjective	Verb	Adverb
news media	Yes	No	No	No
tabloid	Yes	No	No	No

As nouns, tabloid is a hyponym of news media; that is, tabloid is a word with a more specific, narrower meaning than news media:

Other hyponyms of news media include Fleet Street, photojournalism, tab, yellow journalism.

news media (noun)	tabloid (noun)
newspapers and magazines collectively	newspaper with half-size pages
	sensationalist journalism