built-in vs original

built-in

adj
  • Being an essential and permanent part of something. 

  • Being an included feature that normally comes as an extra. 

  • Constructed as a non-detachable part of a larger structure. 

noun
  • Anything (such as a piece of furniture, or a software feature) that is built in, not added as an extra. 

original

adj
  • Pioneering. 

  • First in a series of copies or versions. 

  • Having a specified place or time as its origin. 

  • Fresh, different. 

  • Newly created. 

  • Relating to the origin or beginning; preceding all others. 

noun
  • A ridgeling. 

  • An object or other creation (e.g. narrative work) from which all later copies and variations are derived. 

  • A newly designed garment released by a fashion designer as part of a collection. 

  • A person with a unique and interesting personality or creative talent. 

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