hearing vs incidence

hearing

noun
  • The act by which something is heard. 

  • The sense used to perceive sound. 

  • A proceeding at which discussions are heard. 

  • A legal procedure done before a judge, without a jury, as with an evidentiary hearing. 

adj
  • Able to hear, as opposed to deaf. 

incidence

noun
  • The act of something happening; occurrence. 

  • The falling of a point on a line, or a line on a plane. 

  • The striking of radiation or a projectile upon a surface. 

  • The manner of falling; bearing or onus, as of a tax that falls unequally. 

  • The extent or the relative frequency of something happening. 

  • A measure of the rate of new occurrence of a given medical condition in a population within a specified period of time. 

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