circumspection vs commonition

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. 

commonition

noun
  • advice; warning; instruction. 

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