doctor's office vs liturgy

doctor's office

noun
  • A clinic where one or more doctors receives patients for their medical care. 

liturgy

noun
  • An official worship service of the Christian church. 

  • A predetermined or prescribed set of rituals that are performed, usually by a religion. 

  • In Ancient Greece, a form of personal service to the state. 

How often have the words doctor's office and liturgy occurred in a corpus of books? (source: Google Ngram Viewer )