effluent vs withdrawal

effluent

noun
  • Sewage water that has been (partially) treated, and is released into a natural body of water; a flow of any liquid waste. 

  • A stream that flows out, such as from a lake or reservoir; an outflow; effluence. 

adj
  • Flowing out; outflowing. 

withdrawal

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

  • An act of withdrawing or a state of being withdrawn. 

  • 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 effluent and withdrawal occurred in a corpus of books? (source: Google Ngram Viewer )