circumspection vs discretion

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. 

discretion

noun
  • The quality of being discreet. 

  • The freedom to make one's own judgements. 

  • Individual justice from experience in quality of perception: discrete. 

  • The ability to make wise choices or decisions. 

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