destructor vs ruffian

destructor

noun
  • One who destructs. 

  • A furnace or oven for the burning or carbonizing of refuse. 

  • A function that runs when an object is no longer required, used to release any resources that it was using. 

ruffian

noun
  • A scoundrel, rascal, or unprincipled, deceitful, brutal and unreliable person. 

verb
  • To play the ruffian; to rage; to raise tumult. 

adj
  • Brutal; cruel; savagely boisterous; murderous. 

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