presupposition vs reality

presupposition

noun
  • An assumption made beforehand; a preliminary conjecture or speculation. 

  • The act of presupposing. 

  • An assumption or belief implicit in an utterance or other use of language. 

reality

noun
  • The entirety of all that is real. 

  • The real world. 

  • The state of being actual or real; realness. 

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

  • A real entity, event, or other fact. 

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