cold feet vs peace

cold feet

noun
  • Used other than figuratively or idiomatically: see cold, feet. 

  • A feeling of nervousness or anxiousness causing one to reconsider a decision about an upcoming event. 

peace

verb
  • To make peace; to put at peace; to be at peace. 

  • To peace out. 

intj
  • Peace out; goodbye. 

noun
  • A state of tranquility, quiet, and harmony; absence of violence. For instance, a state free from civil disturbance. 

  • A state free of war, in particular war between different countries. 

  • A state free of oppressive and unpleasant thoughts and emotions. 

  • Harmony in personal relations. 

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