congregation vs sacristy

congregation

noun
  • A gathering of faithful in a temple, church, synagogue, mosque or other place of worship. It can also refer to the people who are present at a devotional service in the building, particularly in contrast to the pastor, minister, imam, rabbi etc. and/or choir, who may be seated apart from the general congregation or lead the service (notably in responsory form). 

  • Any large gathering of people. 

  • A Roman Congregation, a main department of the Vatican administration of the Catholic Church. 

  • The act of congregating or collecting together. 

  • A corporate body whose members gather for worship, or the members of such a body. 

  • A flock of various birds, such as plovers or eagles. 

  • The main body of university staff, comprising academics, administrative staff, heads of colleges, etc. 

sacristy

noun
  • A room in a church where sacred vessels, books, vestments, etc. are kept. Sometimes also used by clergy to prepare for worship or for meetings. 

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