churr vs wheeze

churr

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

noun
  • A low vocal sound made by some birds. 

wheeze

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

  • 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. 

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. 

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