lavage vs sweep out

lavage

verb
  • To wash a hollow organ 

noun
  • A washing. 

  • A washing of a hollow organ. 

sweep out

verb
  • to remove by sweeping or brushing. 

  • To construct a three-dimensional shape by rotation of a two-dimensional one about an axis 

  • to remove someone from a place (where they are not wanted) 

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