brittleness vs peccancy

brittleness

noun
  • The state of being brittle; aptness to break; fragility. 

  • The property by virtue of which a material is fractured without appreciable deformation by the application of load. 

peccancy

noun
  • Faultiness, a state of being flawed. 

  • A sin or moral transgression. 

  • Sinfulness. 

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