escaline vs steeping

escaline

noun
  • 3,5-methoxy-4-ethoxyphenethylamine, a psychedelic drug and entheogen of the phenethylamine class. 

steeping

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

  • An instance of something being steeped; a wetting. 

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