boon vs comedown

boon

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

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

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

adj
  • gay; merry; jovial; convivial. 

comedown

noun
  • A calm, mellow period experienced after the initial high from taking drugs. 

  • A sudden drop to a lower status, condition or level; a disappointment or letdown. 

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