constancy vs sellout

constancy

noun
  • The quality of being constant; steadiness or faithfulness in action, affections, purpose, etc. 

  • An unchanging quality or characteristic of a person or thing. 

sellout

noun
  • An action in which principles are compromised for financial gain. 

  • A person who compromises his or her principles for financial gain. 

  • The selling of an entire stock of something, especially tickets for an entertainment or sports event. 

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