preconception vs predilection

preconception

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. 

adj
  • Preconceptional. 

predilection

noun
  • A condition of favoring or liking; a tendency towards; proclivity; predisposition. 

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