backdrop vs props

backdrop

verb
  • To serve as a backdrop for. 

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

  • An image that serves as a visual background. 

  • The setting or background of an acted performance. 

  • Any background situation. 

props

intj
  • An acclamation of respect or recognition. 

noun
  • Respect for, or recognition of, another person; an expression of approval or a special acknowledgment; accolades; praise. 

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