percolate vs pulverate

percolate

verb
  • To drain or seep through a porous substance. 

  • To pass a liquid through a porous substance; to filter. 

  • To make (coffee) in a percolator. 

  • To spread slowly or gradually; to slowly become noticed or realised. 

noun
  • A liquid that has been percolated. 

pulverate

verb
  • To beat or reduce to powder or dust; to pulverize. 

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