glee vs madrigal

glee

noun
  • An unaccompanied part song for three or more solo voices, not necessarily merry. 

  • Music; minstrelsy; entertainment. 

  • Joy; happiness; great delight, especially from one's own good fortune or from another's misfortune. 

verb
  • To sing a glee (unaccompanied part song). 

madrigal

noun
  • A song for a small number of unaccompanied voices; from 13th century Italy. 

  • A polyphonic song for about six voices, from 16th century Italy. 

  • A short poem, often pastoral, and suitable to be set to music. 

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