canniness vs precaution

canniness

noun
  • The state or quality of being canny. 

precaution

noun
  • Previous caution or care; caution previously employed to prevent misfortune or to secure good 

  • A measure taken beforehand to ward off evil or secure good or success; a precautionary act. 

verb
  • To warn or caution beforehand. 

  • To take precaution against. 

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