exploit vs nullification

exploit

noun
  • A program or technique that exploits a vulnerability in other software. 

  • A heroic or extraordinary deed. 

  • An action or technique that takes advantage of the conditions of a video game to gain an advantage, or to disadvantage others. 

  • An achievement. 

verb
  • To forcibly deprive (someone) of something to which she or he has a natural right for one's own benefit. 

  • To use for one’s own advantage. 

nullification

noun
  • The nullification crisis in U.S. history, confrontation between the state of South Carolina and the federal government in 1832–33 over the former's attempt to declare null and void within the state the federal Tariffs of 1828 and 1832. 

  • Surgical removal of genitals (and sometimes nipples) as a form of body modification; a person who has undergone this surgery is a nullo. 

  • The act of nullifying; a rendering void and of no effect, or no legal effect. 

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