shout out vs yell

shout out

verb
  • To speak when inappropriate, particularly in a school environment. 

  • To publicly greet or acknowledge a person, group, or organization. 

noun
  • A section of a web page, profile or blog containing these greetings. 

  • An unscripted mention of the name of a viewer or audience member when on stage, television, etc. 

yell

verb
  • To tell someone off in a loud and angry manner. 

  • To convey by shouting. 

  • To shout; holler; make a loud sound with the voice. 

noun
  • A phrase to be shouted. 

  • A shout. 

adj
  • dry (of cow) 

How often have the words shout out and yell occurred in a corpus of books? (source: Google Ngram Viewer )