develop vs elaborate

develop

verb
  • To create. 

  • To progress through a sequence of stages. 

  • To bring out images latent in photographic film. 

  • To advance; to further; to promote the growth of. 

  • To acquire something usually over a period of time. 

  • To place one's pieces actively. 

  • To change with a specific direction, progress. 

  • To cause a ball to become more open and available to be played on later. Usually by moving it away from the cushion, or by opening a pack. 

  • To change the form of (an algebraic expression, etc.) by executing certain indicated operations without changing the value. 

elaborate

verb
  • to develop in detail or complexity 

  • (sometimes followed by on or upon, and then the object of the preposition) to expand/enlarge in detail 

adj
  • Intricate, fancy, flashy, or showy. 

  • Complex, detailed, or sophisticated. 

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