newspaper headline vs headline

newspaper headline and headline both are nouns.

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

As nouns, newspaper headline and headline are synonyms defined as:

newspaper headline and headline: the heading or caption of a newspaper article

newspaper headline (noun)	headline (noun)
the heading or caption of a newspaper article	the heading or caption of a newspaper article

newspaper headline (verb)	headline (verb)
	publicize widely or highly, as if with a headline
	provide (a newspaper page or a story) with a headline