peril vs precaution

peril

verb
  • To cause to be in danger; to imperil; to risk. 

noun
  • A situation of serious and immediate danger. 

  • An event which causes a loss, or the risk of a specific such event. 

  • Something that causes, contains, or presents danger. 

precaution

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

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

verb
  • To warn or caution beforehand. 

  • To take precaution against. 

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