funeral parlor vs necropolis

funeral parlor

noun
  • A mortuary or funeral home. 

necropolis

noun
  • A cemetery; especially a large one in or near a city. 

  • An ancient site used for burying the dead, particularly if consisting of elaborate grave monuments. 

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