constancy vs sedition

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. 

sedition

noun
  • Insurrection or rebellion. 

  • Organized incitement of rebellion or civil disorder against authority or the state, usually by speech or writing. 

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