lavage vs priming

lavage

noun
  • A washing of a hollow organ. 

  • A washing. 

verb
  • To wash a hollow organ 

priming

noun
  • A substance used as a primer. 

  • The implicit memory effect in which exposure to a stimulus influences response to a subsequent stimulus. 

  • The powder or other combustible used to communicate fire to a charge of gunpowder, as in a firearm. 

  • The carrying over of water, with the steam, from the boiler, as into the cylinder. 

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