archdiocese vs bethel

archdiocese

noun
  • An area administered by an archbishop; the ecclesiastical hierarchy of this area, also under the archbishop. 

bethel

noun
  • A holy place. 

  • A chapel, especially one for sailors, converted from an old ship. 

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