house of worship vs sacristy

house of worship

noun
  • A religious edifice; a mosque, church, synagogue, temple, or similar place where believers go to practice their faith. 

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 house of worship and sacristy occurred in a corpus of books? (source: Google Ngram Viewer )