retraction vs withdrawal

retraction

noun
  • An act or instance of retracting. 

  • A continuous function from a topological space onto a subspace which is the identity on that subspace. 

  • A statement printed or broadcast in a public forum which effects the withdrawal of an earlier assertion, and which concedes that the earlier assertion was in error. 

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  • An act of withdrawing or a state of being withdrawn.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 retraction and withdrawal occurred in a corpus of books? (source: Google Ngram Viewer )