cop vs front up

cop

verb
  • To admit, especially to a crime or wrongdoing. 

  • To steal. 

  • To adopt. 

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

  • 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. 

noun
  • 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. 

  • A merlon. 

front up

verb
  • To admit or confess. 

  • To show up; to appear or present oneself. 

  • To lead or represent. 

  • To meet with one's best efforts. 

  • To face; to confront or challenge. 

  • To pay in advance or give with the expectation of being reimbursed later. 

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