bot vs zombie

bot

noun
  • A piece of software designed to perform a minor but repetitive task automatically or on command, especially when operating with the appearance of a (human) user profile or account. 

  • The larva of a botfly, which infests the skin of various mammals, producing warbles, or the nasal passage of sheep, or the stomach of horses. 

  • A physical robot. 

  • A computer-controlled character in a video game, especially a multiplayer one. 

  • A supremely unskilled player. 

verb
  • To ask for and be given something with the direct intention of exploiting the thing’s usefulness, almost exclusively with cigarettes. 

  • To bugger. 

  • To use a bot, or automated program. 

zombie

noun
  • A computer affected by malware which causes it to do whatever the attacker wants it to do without the user's knowledge. 

  • A cocktail of rum and fruit juices. 

  • A human being in a state of extreme mental exhaustion. 

  • Marijuana, or similar drugs. 

  • A conscripted member of the Canadian military during World War II who was assigned to home defence rather than to combat in Europe. 

  • A hypothetical being that is indistinguishable from a normal human being except in that it lacks conscious experience, qualia, or sentience. 

  • An apathetic or slow-witted person. 

  • A person, usually undead, animated by unnatural forces (such as magic), with no soul or will of his/her own. 

  • A process or task which has terminated but has not been removed from the list of processes, typically because it has an unresponsive parent process. 

  • An information worker who has signed a nondisclosure agreement. 

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