octave flute vs piccolo

octave flute

noun
  • A flute that is smaller than a Western concert flute and pitched nearly an octave higher. 

  • A flute stop in an organ pitched an octave higher than the standard pitch. 

piccolo

noun
  • A transverse flute that is smaller than a Western concert flute and pitched nearly an octave higher. 

  • A bottle of champagne containing 0.1875 litres of fluid, one quarter the volume of a standard bottle. 

  • A coin-operated gramophone; a jukebox. 

  • A waiter’s assistant in a hotel or restaurant. 

  • An organ stop with the tone of a piccolo flute. 

adj
  • Designating the highest-pitched or smallest of a family of musical instruments. 

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