descriptive vs diegetic

descriptive

adj
  • Of, relating to, or providing a description. 

  • Describing and seeking to classify, as opposed to normative or prescriptive. 

  • Of an adjective, stating an attribute of the associated noun (as heavy in the heavy dictionary). 

  • Describing the structure, grammar, vocabulary and actual use of a language. 

noun
  • An adjective (or other descriptive word) 

diegetic

adj
  • Of or relating to diegesis. 

  • (of film music) Occurring as part of the action (rather than as background), and able to be heard by the film's characters. 

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