bot vs waif

bot

noun
  • A supremely unskilled player. 

  • 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 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. 

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

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. 

waif

noun
  • A very thin person. 

  • A plant introduced in a place outside its native range but is not persistently naturalized. 

  • A person (especially a child) who is homeless and without means of support; also, a person excluded from society; an outcast. 

  • Something found, especially if without an owner; something which comes along, as it were, by chance. 

  • A small flag used as a signal. 

  • Something (such as clouds or smoke) carried aloft by the wind. 

verb
  • To cast aside or reject, and thus make a waif. 

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