lavage vs sanitize

lavage

verb
  • To wash a hollow organ 

noun
  • A washing. 

  • A washing of a hollow organ. 

sanitize

verb
  • To rid of microorganisms by cleaning or disinfecting. 

  • To remove sensitive or personal data from (a database or file). 

  • To filter (text) to ensure it does not contain any characters that will cause problems for or be interpreted in an adverse way by the receiving system. 

  • To make something, such as a dramatic work, more acceptable by removing potentially offensive material. 

  • To revise (a document) in order to prevent identification of the sources. 

  • Near-synonym: bowdlerize 

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