ambassador vs catchpole

ambassador

noun
  • A corporate representative, often the public face of the company. 

  • An official messenger and representative. 

  • A minister of the highest rank sent to a foreign court to represent there his sovereign or country. (Sometimes called ambassador-in-residence) 

catchpole

noun
  • A sheriff’s officer, usually one who arrests debtors. 

  • An implement formerly used for seizing and securing a man who would otherwise be out of reach. 

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