forethought vs preconception

forethought

adj
  • Thought of, or planned, beforehand. 

noun
  • Anticipation. 

  • Provident care; prudence. 

  • Thinking beforehand or in advance, planning; prior or previous consideration; premeditation. 

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 forethought and preconception occurred in a corpus of books? (source: Google Ngram Viewer )