plating vs revetment

plating

noun
  • A coating or defensive armour of metal plates. 

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

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

  • A thin coating of metal laid upon another metal. 

revetment

noun
  • An armoured building that provides protection against bombs. 

  • A layer of stone, concrete, or other hard material supporting the side of an embankment. 

  • An ornamental facing, as on a common masonry wall, of marble, face brick, tiles, etc. 

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