bandaging vs revetment

bandaging

noun
  • Strips of cloth or other material used to create a bandage. 

revetment

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

  • An armoured building that provides protection against bombs. 

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

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