constancy vs scam

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. 

scam

verb
  • To defraud or embezzle. 

noun
  • Something that is promoted using scams. 

  • A fraudulent deal. 

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