ducking vs steeping

ducking

noun
  • An instance of ducking (a person in water, etc). 

  • The action of the verb to duck. 

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 ducking and steeping occurred in a corpus of books? (source: Google Ngram Viewer )