elutriate vs lave

elutriate

verb
  • To decant; to purify something by straining it. 

  • To separate large and small particles through an upwardly flowing liquid or vapid stream. 

lave

verb
  • To run down or gutter, as a candle. 

  • To draw, as water; drink in. 

  • To lick. 

  • To give bountifully; lavish. 

  • To hang or flap down. 

  • To wash. 

noun
  • A crowd 

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