amenable vs callous

amenable

adj
  • Willing to respond to persuasion or suggestions. 

  • Liable to be brought to account, to a charge or claim; responsible; accountable; answerable. 

  • Being a locally compact topological group carrying a kind of averaging operation on bounded functions that is invariant under translation by group elements. 

  • Willing to comply; easily led. 

  • Liable to the legal authority of (something). 

callous

adj
  • Emotionally hardened; unfeeling and indifferent to the suffering/feelings of others. 

  • Having calluses, or relating to calluses. 

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