stephead vs headline

stephead and headline both are nouns.

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

As nouns, headline is a hypernym of stephead; that is, headline is a word with a broader meaning than stephead:

stephead: a headline with the top line flush left and succeeding lines indented to the right
headline: the heading or caption of a newspaper article

Other hypernyms of stephead include newspaper headline.

stephead (noun)	headline (noun)
a headline with the top line flush left and succeeding lines indented to the right	the heading or caption of a newspaper article

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