crispness vs keenness

crispness

noun
  • An instance of being crisp. 

  • The state of being crisp. 

keenness

noun
  • sharpness or cutting ability 

  • eagerness or enthusiasm 

  • astuteness or sagacity 

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