commandery vs district

commandery

noun
  • Any of various administrative divisions of imperial China. 

  • The smallest division of a manor under the control of a commander of an order of knights, originally only the Knights Hospitaller. 

  • A chapter of a secret order, especially the Knights Templar (order affiliated with Freemasonry). 

district

noun
  • An administrative division of an area. 

  • An area or region marked by some distinguishing feature. 

  • the Soho district of London 

  • An administrative division of a county without the status of a borough. 

verb
  • To divide into administrative or other districts. 

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