cooling vs freezing

cooling

noun
  • A decrease in temperature. 

  • Refrigeration. 

adj
  • That cools. 

  • . Of food or medicine, according to traditional Chinese medicine: serving to cool or calm the body. 

freezing

noun
  • The change in state of a substance from liquid to solid by cooling to a critically low temperature. 

  • The action of numbing with anesthetics. 

adj
  • Zero °C, the freezing point of water. 

  • Suffering or causing frost 

  • Very cold 

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