percolate vs soakage

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. 

soakage

noun
  • The amount of liquid soaked in. 

  • The act of soaking. 

  • A source of water in Australian deserts, where water has seeped into the sand. 

  • food or nonalcoholic beverages consumed before or during a bout of drinking to slow down the onset of drunkenness 

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