screamer vs headline

screamer and headline both are nouns.

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

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

Other hypernyms of screamer include newspaper headline.

screamer (noun)	headline (noun)
a very hard hit ball	the heading or caption of a newspaper article
gooselike aquatic bird of South America having a harsh trumpeting call
a sensational newspaper headline
someone who communicates vocally in a very loud voice

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