cattish vs sly as a fox

cattish

adj
  • sly and spiteful; marked by malice 

  • catlike; in the manner of a cat 

  • stealthy 

sly as a fox

adj
  • Very sly, very cunning. 

How often have the words cattish and sly as a fox occurred in a corpus of books? (source: Google Ngram Viewer )