percolate vs pour out

percolate

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

  • To make (coffee) in a percolator. 

  • To drain or seep through a porous substance. 

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

noun
  • A liquid that has been percolated. 

pour out

verb
  • To distribute or spread (something), as if it were a liquid. 

  • To talk volubly and deeply. Usually implies telling the truth. 

  • To leave a place quickly, and in large numbers. 

  • Used other than figuratively or idiomatically: see pour, out. 

  • To serve a drink into a cup or glass. 

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