decant vs pump out

decant

verb
  • To pour off (a liquid) gently, so as not to disturb the sediment. 

  • To pour from one vessel into another. 

  • To rehouse people while their buildings are being refurbished or rebuilt. 

  • To remove (a clone or other artificially-gestated baby) from its chamber, vat, or artificial womb. 

pump out

verb
  • to remove liquid using a pump 

  • to produce in large quantities 

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