invention vs reality

invention

noun
  • The act of inventing. 

  • Something invented. 

  • The capacity to invent. 

  • A small, self-contained composition, particularly those in J.S. Bach’s Two- and Three-part Inventions. 

reality

noun
  • The state of being actual or real; realness. 

  • The entirety of all that is real. 

  • The real world. 

  • An individual observer's own subjective perception of that which is real. 

  • A real entity, event, or other fact. 

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