crier vs screamer

crier and screamer both are nouns.

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

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

Other hypernyms of crier include hawker, packman, peddler, pedlar, pitchman, bawler, bellower, roarer, screecher, shouter, yeller.

crier (noun)	screamer (noun)
(formerly) an official who made public announcements	a very hard hit ball
a person who weeps	gooselike aquatic bird of South America having a harsh trumpeting call
a peddler who shouts to advertise the goods he sells	a sensational newspaper headline
	someone who communicates vocally in a very loud voice