foresight vs preconception

foresight

noun
  • The ability to foresee or prepare wisely for the future. 

  • a bearing taken forwards towards a new object 

  • the front sight on a rifle or similar weapon 

preconception

adj
  • Preconceptional. 

noun
  • A prejudice that prevents rational consideration of an issue. 

  • An opinion formed before obtaining adequate evidence, especially as the result of bias or prejudice. 

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