exusion vs shedding

exusion

noun
  • The act or process of exuding. 

  • Something that is exuded. 

shedding

noun
  • The act of shedding, separating, or casting off. 

  • That which is shed, or cast off. 

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