elutriate vs sterilize

elutriate

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

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

sterilize

verb
  • To kill, deactivate (denature), or destroy (break apart) all living, viable microorganisms and spores on a surface, in a fluid, or contained in a compound, such as culture media or a medical product. 

  • To deprive of the ability to procreate. 

  • To redact (a document), removing classified or sensitive material. 

  • To make unable to produce; to make unprofitable. 

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