predatory vs spoliative

predatory

adj
  • Exploiting or victimizing others for personal gain. 

  • Living by preying on other living animals. 

  • Of, or relating to a predator. 

spoliative

adj
  • Serving to take away, diminish, or rob. 

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