newspaper vs tabloid

newspaper and tabloid both are nouns.

Word	Noun	Adjective	Verb	Adverb
newspaper	Yes	No	No	No
tabloid	Yes	No	No	No

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

newspaper: a daily or weekly publication on folded sheets; contains news and articles and advertisements
tabloid: newspaper with half-size pages

Other hyponyms of newspaper include daily, gazette, school newspaper, school paper, rag, sheet.

newspaper (noun)	tabloid (noun)
the physical object that is the product of a newspaper publisher	newspaper with half-size pages
a daily or weekly publication on folded sheets; contains news and articles and advertisements	sensationalist journalism
a business firm that publishes newspapers
cheap paper made from wood pulp and used for printing newspapers