design vs speculative fiction

design

noun
  • The composition of a work of art. 

  • A plan (with more or less detail) for the structure and functions of an artifact, building or system. 

  • A pattern, as an element of a work of art or architecture. 

  • The art of designing 

  • The shape or appearance given to an object, especially one that is intended to make it more attractive. 

  • Malicious or malevolent intention. 

  • A specification of an object or process, referring to requirements to be satisfied and thus conditions to be met for them to solve a problem. 

  • Intention or plot. 

verb
  • To plan and carry out (a picture, work of art, construction etc.). 

  • To manifest requirements to be satisfied by an object or process for them to solve a problem. 

speculative fiction

noun
  • A particular work belonging to this class. 

  • A class of fiction involving fantastic, supernatural or futuristic elements, including fantasy, horror, and science fiction, dealing with worlds, themes, and characters not part of everyday life. 

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