cop vs halcyon

cop

noun
  • A merlon. 

  • The ball of thread wound on to the spindle in a spinning machine. 

  • A police officer or prison guard. 

  • A roughly dome-shaped piece of armor, especially one covering the shoulder, the elbow, or the knee. 

  • A tube or quill upon which silk is wound. 

verb
  • To steal. 

  • To adopt. 

  • To obtain, to purchase (as in drugs), to get hold of, to take. 

  • To admit, especially to a crime or wrongdoing. 

  • To earn by bad behavior. 

  • Of a pimp: to recruit a prostitute into the stable. 

  • To (be forced to) take; to receive; to shoulder; to bear, especially blame or punishment for a particular instance of wrongdoing. 

  • To see and record a railway locomotive for the first time. 

halcyon

noun
  • A tropical kingfisher of the genus Halcyon, such as the sacred kingfisher (Halcyon sancta) of Australia. 

  • The dead body of such a bird, said in Tudor times to act as a weather vane when hung from a beam. 

  • A kingfisher whose nesting by the sea was said, in classical mythology, to cause the Gods to restrain the wind and waves. 

adj
  • Pertaining to the halcyon or kingfisher. 

  • Calm, undisturbed, peaceful, serene. 

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