falsetto vs wheeze

falsetto

noun
  • 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. 

  • A person who sings in falsetto. 

verb
  • To sing or utter in falsetto. 

wheeze

noun
  • An ordinary whisper exaggerated so as to produce the hoarse sound known as the "stage whisper"; a forcible whisper with some admixture of tone. 

  • Something very humorous or laughable. 

  • A piping or whistling sound caused by difficult respiration. 

  • An ulterior scheme or plan. 

  • A sound that resembles a human wheezing. 

verb
  • To breathe hard, and with an audible piping or whistling sound, as persons affected with asthma. 

  • To convulse with laughter; to become breathless due to intense laughing. 

  • To make a sound that resembles the sound of human wheezing. 

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