soakage vs steeping

soakage

noun
  • 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 

  • The amount of liquid soaked in. 

steeping

noun
  • An instance of something being steeped; a wetting. 

  • A 13th-century coin circulated in Ireland as a debased sterling silver penny, outlawed under King Edward I. 

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