churr vs yell

churr

verb
  • To make the low vocal sound of some birds. 

noun
  • A low vocal sound made by some birds. 

yell

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

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

  • To convey by shouting. 

adj
  • dry (of cow) 

noun
  • A phrase to be shouted. 

  • A shout. 

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