captor vs scapegoat

captor

noun
  • One who catches or has caught or captured something or someone. 

  • One who is holding a captive or captives. 

scapegoat

verb
  • To unfairly blame or punish someone for some failure; to make a scapegoat of. 

noun
  • Someone unfairly blamed or punished for some failure. 

  • In the Mosaic Day of Atonement ritual, a goat symbolically imbued with the sins of the people, and sent out alive into the wilderness while another was sacrificed. 

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