apathy vs glee

apathy

noun
  • Lack of emotion or motivation; lack of interest or enthusiasm towards something; disinterest (in something). 

glee

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

  • Music; minstrelsy; entertainment. 

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

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

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