forethought vs impertinence

forethought

noun
  • Anticipation. 

  • Provident care; prudence. 

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

adj
  • Thought of, or planned, beforehand. 

impertinence

noun
  • Insolence; impudence. 

  • Lack of pertinence; irrelevance. 

  • An instance of this; a moment of being impertinent. 

  • The fact or character of being out of place; inappropriateness. 

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