cataract vs outgushing

cataract

noun
  • An overwhelming downpour or rush. 

  • A clouding of the lens in the eye leading to a decrease in vision. 

  • A large waterfall; steep rapids in a river. 

  • A flood of water. 

outgushing

noun
  • That which gushes outward. 

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