skreak vs shout out

skreak and shout out both are verbs.

Word	Noun	Adjective	Verb	Adverb
skreak	No	No	Yes	No
shout out	No	No	Yes	No

As verbs, shout out is a hypernym of skreak; that is, shout out is a word with a broader meaning than skreak:

Other hypernyms of skreak include call, cry, holler, hollo, scream, shout, squall, yell.

skreak (verb)	shout out (verb)
utter a harsh abrupt scream	utter a sudden loud cry
make a high-pitched, screeching noise	utter in a very loud voice