churchwarden vs town councillor

churchwarden

noun
  • A lay officer of the Church of England who handles the secular affairs of the parish. 

  • A similar functionary of the Episcopal church. 

  • A churchwarden pipe. 

town councillor

noun
  • An elected member of a town council. 

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