cooling vs freshening

cooling

noun
  • Refrigeration. 

  • A decrease in temperature. 

adj
  • That cools. 

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

freshening

noun
  • The act by which something is freshened. 

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