fifty-fifty vs incident

fifty-fifty

adj
  • Used to describe 2 possible outcomes as being equally likely 

  • Half and half. 

noun
  • A challenge between two opposing players, where both have an equal chance of taking possession. 

adv
  • In half: in two equal parts, shares, etc. 

incident

adj
  • Liable to happen; apt to occur; befalling; hence, naturally happening or appertaining. 

  • Dependent upon, or appertaining to, another thing, called the principal. 

  • Arising as the result of an event, inherent. 

  • Coming or happening accidentally; not in the usual course of things; not in connection with the main design; not according to expectation; casual; fortuitous. 

  • Falling on or striking a surface. 

noun
  • An event that causes or may cause an interruption or a crisis, such as a workplace illness or a software error. 

  • A (relatively minor) event that is incidental to, or related to others. 

  • An event or occurrence. 

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