backdrop vs context

backdrop

noun
  • The setting or background of an acted performance. 

  • A decorated cloth hung at the back of a stage. 

  • An image that serves as a visual background. 

  • Any background situation. 

verb
  • To serve as a backdrop for. 

context

noun
  • The surroundings, circumstances, environment, background or settings that determine, specify, or clarify the meaning of an event or other occurrence. 

  • The text in which a word or passage appears and which helps ascertain its meaning. 

  • The trama or flesh of a mushroom. 

  • For a formula: a finite set of variables, which set contains all the free variables in the given formula. 

  • The surroundings and environment in which an artifact is found and which may provide important clues about the artifact's function and/or cultural meaning. 

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