archdeacon vs parish priest

archdeacon

noun
  • A senior administrative official in a diocese, just under the bishop, often in charge of an archdeaconry. As a title, it can be filled by either a deacon or priest. 

parish priest

noun
  • The main priest serving a parish. 

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