original vs unoriginal

original

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

  • 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. 

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. 

unoriginal

noun
  • A person or work that does not exhibit originality. 

adj
  • Not being the first or earliest version of something, not original. 

  • Lacking originality. 

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