quintet vs sextuplet

quintet

noun
  • A composition (a type of chamber music) in five parts (typically each a singer or instrumentalist, sometimes several musicians) 

  • A group of five musicians, fit to play such a piece of music together 

  • Any group of five members 

sextuplet

noun
  • A group of six notes played in the time of four, with accents on the first, third and fifth notes. 

  • A group of six notes played in the time of four, with accents on the first and fourth notes; a double triplet. 

  • A group of six objects. 

  • A group of six notes played in the time of four, with an accent only on the first note. 

  • One of a group of six persons or animals born from the same mother during the same birth. 

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