separation vs withdrawal

separation

noun
  • The act of disuniting two or more things, or the condition of being separated. 

  • Departure from active duty, while not necessarily leaving the service entirely. 

  • An agreement legalizing such an arrangement. 

  • An object that separates two spaces. 

  • The act or condition of two or more people being separated from one another. 

  • The place at which a division occurs. 

  • An interval, gap or space that separates things or people. 

  • The act or condition of a married couple living in separate homes while remaining legally married. 

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  • An act of withdrawing or a state of being withdrawn.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