douse vs lavage

douse

verb
  • To plunge suddenly into water; to duck; to immerse. 

  • To put out; to extinguish. 

  • To strike or lower in haste; to slacken suddenly 

  • To strike, beat, or thrash. 

  • To fall suddenly into water. 

noun
  • A sudden plunging into water. 

  • A blow or strike, especially to the face. 

lavage

verb
  • To wash a hollow organ 

noun
  • A washing. 

  • A washing of a hollow organ. 

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