adaptation vs unsuitability

adaptation

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

  • 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. 

unsuitability

noun
  • The quality of being unsuitable. 

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