ecstasy vs hedon

ecstasy

noun
  • Intense pleasure. 

  • A trance, frenzy, or rapture associated with mystic or prophetic exaltation. 

  • The drug MDMA, a synthetic entactogen of the methylenedioxyphenethylamine family, especially in a tablet form. 

  • A state of emotion so intense that a person is carried beyond rational thought and self-control. 

verb
  • To experience intense pleasure. 

  • To cause intense pleasure in. 

hedon

noun
  • A unit of pleasure used to theoretically weigh people's happiness. 

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