shush vs yell

shush

verb
  • To be quiet; to keep quiet. 

  • To ask someone to be quiet, especially by saying shh. 

yell

noun
  • A phrase to be shouted. 

  • A shout. 

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. 

adj
  • dry (of cow) 

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