comedown vs frustration

comedown

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

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

frustration

noun
  • The act of frustrating, or the state, or an instance of being frustrated. 

  • A thing that frustrates. 

  • The feeling of annoyance at impassibility from resistance. 

  • The state of contract that allows a party to back away from its contractual obligations due to (unforeseen) radical changes to the nature of the thing a party has been obligated to. 

  • Anger not directed at anything or anyone in particular. 

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