outgushing vs superfluity

outgushing

noun
  • That which gushes outward. 

superfluity

noun
  • Something superfluous, as a luxury. 

  • The quality or state of being superfluous; overflowingness. 

  • Collective noun for a group of nuns. 

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