doorman vs receptionist

doorman

noun
  • A person who holds open the door at the entryway (entrance) to a building, summons taxicabs, and provides an element of security; in apartment buildings, he also accepts deliveries and may perform certain concierge type services. 

receptionist

noun
  • An employee (such as a secretary) who works in reception (receiving visitors and/or calls) for a person or business, especially an office. 

  • A proponent of receptionism. 

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