circumspection vs heedlessness

circumspection

noun
  • Caution, watchfulness, or vigilance fueled by such awareness. 

  • Attention to all the facts and circumstances of a case; consideration of all that is pertinent. 

heedlessness

noun
  • The state or character of being heedless 

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