falsetto vs respire

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. 

respire

verb
  • To (inhale and) exhale; to breathe. 

  • To take up oxygen and produce carbon dioxide through oxidation. 

  • To breathe in and out successively. 

  • To recover one's breath or breathe easily following stress. 

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