cooling vs perky

cooling

adj
  • That cools. 

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

noun
  • A decrease in temperature. 

  • Refrigeration. 

perky

adj
  • Lively. 

  • Standing upright; firm. 

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