outcry vs yell

outcry and yell both are nouns.

Word	Noun	Adjective	Verb	Adverb
outcry	Yes	No	Yes	No
yell	Yes	No	Yes	No

As nouns, outcry and yell are synonyms defined as:

Other synonyms of outcry include call, cry, shout, vociferation.

outcry (noun)	yell (noun)
a loud utterance; often in protest or opposition	a loud utterance; often in protest or opposition
	a loud utterance of emotion (especially when inarticulate)

outcry (verb)	yell (verb)
utter aloud; often with surprise, horror, or joy	utter or declare in a very loud voice
shout louder than	utter a sudden loud cry