libation vs percolate

libation

noun
  • The wine or liquid thus poured out. 

  • A beverage, especially an alcoholic one. 

  • The act of pouring a liquid, most often wine, in sacrifice on the ground, on a ritual object, or on a victim, in honor of some deity. 

percolate

noun
  • A liquid that has been percolated. 

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. 

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