boon vs glee

boon

noun
  • A good thing; a blessing or benefit; a thing to be thankful for. 

  • The woody portion of flax, separated from the fiber as refuse matter by retting, braking, and scutching. 

  • An unpaid service due by a tenant to his lord. 

adj
  • gay; merry; jovial; convivial. 

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 boon and glee occurred in a corpus of books? (source: Google Ngram Viewer )