high-frequency vs treble

high-frequency

adj
  • Of or pertaining to high frequency sound or other radiation. 

  • Occurring or doing something very frequently. 

treble

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

  • High in pitch. 

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. 

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