brittleness vs fineness

brittleness

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

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

fineness

noun
  • The ratio, in a precious metal, of the primary metal to any additives or impurities. 

  • The ratio of length to width of a ship, aircraft or rocket 

  • The quality or degree of being fine. 

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