bot vs scab

bot

verb
  • To bugger. 

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

  • To use a bot, or automated program. 

noun
  • 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. 

  • A supremely unskilled player. 

scab

verb
  • To beg (for), to cadge or bum. 

  • To remove part of a surface (from). 

  • To form into scabs and be shed, as damaged or diseased skin. 

  • To act as a strikebreaker. 

  • To become covered by a scab or scabs. 

noun
  • The mange, especially when it appears on sheep. 

  • The scabies. 

  • A worker who acts against trade union policies; any picket crosser (strikebreaker), and especially one with devotion to union busting. 

  • Any of several different diseases of potatoes producing pits and other damage on their surface, caused by streptomyces bacteria (but formerly believed to be caused by a fungus). 

  • A slight irregular protuberance which defaces the surface of a casting, caused by the breaking away of a part of the mold. 

  • A mean, dirty, paltry fellow. 

  • Any one of various more or less destructive fungal diseases that attack cultivated plants, forming dark-colored crustlike spots. 

  • An incrustation over a sore, wound, vesicle, or pustule, formed during healing. 

  • Common scab, a relatively harmless variety of scab (potato disease) caused by Streptomyces scabies. 

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