falsetto vs yell

falsetto

verb
  • To sing or utter in falsetto. 

noun
  • A person who sings in falsetto. 

  • The "false" (singing) voice in any human, usually airy and lacking a purity of vowels; created by utilizing the next highest vocal folds above those used for speech and normal range singing. It is commonly confused with the head voice register. 

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 falsetto and yell occurred in a corpus of books? (source: Google Ngram Viewer )