dream up vs fashion

dream up

verb
  • To have an imaginative, unusual or foolish idea, to invent something unreal. 

fashion

verb
  • To make, build or construct, especially in a crude or improvised way. 

noun
  • Popular trends. 

  • The make or form of anything; the style, shape, appearance, or mode of structure; pattern, model; workmanship; execution. 

  • A current (constantly changing) trend, favored for frivolous rather than practical, logical, or intellectual reasons. 

  • A style or manner in which something is done. 

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