catharsis vs wudu

catharsis

noun
  • A purification or cleansing, especially emotional. 

  • A release of emotional tension after an overwhelming vicarious experience, resulting in the purging or purification of the emotions, as through watching a dramatic production (especially a tragedy). 

  • A therapeutic technique to relieve tension by re-establishing the association of an emotion with the memory or idea of the event that first caused it, and then eliminating it by complete expression (called the abreaction). 

  • Purging of the digestive system. 

  • Any release of emotional tension to the same effect, more widely. 

wudu

noun
  • the state of purity that is achieved by this washing 

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