journalism vs tab

journalism and tab both are nouns.

Word	Noun	Adjective	Verb	Adverb
journalism	Yes	No	No	No
tab	Yes	No	No	No

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

Other hyponyms of journalism include Fleet Street, photojournalism, tabloid, yellow journalism.

journalism (noun)	tab (noun)
the profession of reporting or photographing or editing news stories for one of the media	a dose of medicine in the form of a small pellet
newspapers and magazines collectively	a short strip of material attached to or projecting from something in order to facilitate opening or identifying or handling it
	the key on a typewriter or a word processor that causes a tabulation
	the bill in a restaurant
	sensationalist journalism