glee vs nirvana

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). 

nirvana

noun
  • State of paradise; heightened or great pleasure. 

  • Complete cessation of suffering; a blissful state attained through realization of sunyata; enlightened experience. 

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