irruption vs withdrawal

irruption

noun
  • The action of irrupting or breaking into; a violent entry or invasion; an inbreaking; an intrusion. 

  • An abrupt increase in the size of a movement or organization. 

  • An abrupt increase of an animal population. 

withdrawal

noun
  • An act of withdrawing or a state of being withdrawn. 

  • A method of birth control which consists of removing the penis from the vagina before ejaculation. 

  • The sum of money taken from a bank account. 

  • Receiving from someone's care what one has earlier entrusted to them. Usually refers to money. 

  • A type of metabolic shock the body undergoes when a substance, usually a toxin such as heroin, to which a patient is dependent is withheld. Sometimes used with the substance as modifier. 

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