infection vs sterilization

infection

noun
  • The act or process of infecting. 

  • A disease caused by a pathogen. 

  • An uncontrolled growth of harmful microorganisms in a host. 

  • A visible sign of such a disease, such as the suppuration of a wound. 

sterilization

noun
  • An instance of a sterilization procedure. 

  • A procedure to permanently prevent an organism from reproducing. 

  • A monetary policy operation used to offset a foreign exchange intervention. 

  • The process of treating something to kill or inactivate microorganisms. 

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