superfluity vs surfeit

superfluity

noun
  • The quality or state of being superfluous; overflowingness. 

  • Something superfluous, as a luxury. 

  • Collective noun for a group of nuns. 

surfeit

noun
  • An excessive amount of something. 

  • Disgust caused by excess; satiety. 

  • A group of skunks. 

  • A sickness or condition caused by overindulgence. 

  • Overindulgence in either food or drink; overeating. 

verb
  • To fill (something) to excess. 

  • To supply (someone) with something to excess; to disgust (someone) through overabundance. 

  • To satisfy (someone's appetite) to excess (both literally and figuratively). 

  • To overeat or feed to excess (on or upon something). 

  • To indulge (in something) to excess. 

  • To feed (someone) to excess (on, upon or with something). 

  • To become sick from overindulgence (both literally and figuratively). 

  • To make (someone) sick as a result of overconsumption. 

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