adaptation vs concurrency

adaptation

noun
  • An instance of an organism undergoing change, or the structure or behavior that is changed. 

  • The process of adapting something or becoming adapted to a situation; adjustment, modification. 

  • A change that is made or undergone to suit a condition or environment. 

  • An artistic work that has been adapted from a different medium. 

  • The means by which social groups adapt to different social and physical environments. 

  • The process of adapting an artistic work from a different medium. 

  • The process of change that an organism undergoes to be better suited to its environment. 

concurrency

noun
  • The property or an instance of being concurrent; something that happens at the same time as something else. 

  • A property of systems where several processes execute at the same time. 

  • A stretch of road that is shared between two or more numbered or named routes. 

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