dastardize vs put to shame

dastardize

verb
  • To make cowardly; to intimidate or dispirit. 

put to shame

verb
  • To humiliate; to disgrace. 

  • To outdo thoroughly; to surpass; to outperform; to show up. 

How often have the words dastardize and put to shame occurred in a corpus of books? (source: Google Ngram Viewer )