gazump vs rob

gazump

verb
  • To swindle; to extort. 

  • To trump or preempt; to reap the benefit underhandedly from a situation that someone else has worked to create. 

  • To buy a property by bidding more than the price of an existing, accepted offer. 

  • To raise the selling price of something (especially property) after previously agreeing to a lower one. 

noun
  • The act of gazumping. 

  • A politician who takes bribes. 

rob

verb
  • To deprive of, or withhold from, unjustly or injuriously; to defraud. 

  • To steal. 

  • To burgle. 

  • To deprive (of). 

  • To steal from, especially using force or violence. 

  • To commit robbery. 

  • To take possession of the ball, puck etc. from. 

noun
  • A syrup made of evaporating fruit juice over a fire, usually mixed with sugar or honey, and especially used for medicinal purposes. 

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