buzzer vs town crier

buzzer

noun
  • A police badge. 

  • One who, or that which, buzzes; an insect that buzzes. 

  • A device that makes a buzzing sound. 

  • A run scored from an overthrow. 

town crier

noun
  • A person who is employed by a town council to make public announcements in the streets 

  • A gossip 

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