lavage vs plating

lavage

noun
  • A washing of a hollow organ. 

  • A washing. 

verb
  • To wash a hollow organ 

plating

noun
  • A thin coating of metal laid upon another metal. 

  • The presentation of food that is ready to be served. 

  • An act of determining where a postage stamp is positioned on a sheet. 

  • A coating or defensive armour of metal plates. 

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