falsetto vs treble

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. 

treble

noun
  • Any high-pitched or shrill voice or sound. 

  • Any of the narrow areas enclosed by the two central circles on a dartboard, worth three times the usual value of the segment. 

  • The highest singing voice (especially as for a boy) or part in musical composition. 

  • Three goals, victories, awards etc. in a given match or season. 

  • The highest tuned in a ring of bells. 

  • A person or instrument having a treble voice or pitch; a boy soprano. 

verb
  • To utter in a treble key; to whine. 

  • To make a shrill or high-pitched noise. 

adj
  • Pertaining to the highest singing voice or part in harmonized music; soprano. 

  • High in pitch. 

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