adaptation vs source

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. 

source

verb
  • To obtain or procure: used especially of a business resource. 

  • To find information about (a quotation)'s source (from which it comes): to find a citation for. 

noun
  • A reporter's informant. 

  • Source code. 

  • The name of one terminal of a field effect transistor (FET). 

  • Spring; fountainhead; wellhead; any collection of water on or under the surface of the ground in which a stream originates. 

  • The person, place, or thing from which something (information, goods, etc.) comes or is acquired. 

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