photography vs polaroid

photography

noun
  • The art and technology of producing images on photosensitive surfaces, and its digital counterpart. 

  • The occupation of taking (and often printing) photographs. 

polaroid

noun
  • A camera that develops its own film. 

  • Polaroid sunglasses. 

  • A sheet of plastic embedded with microscopic crystals of herapathite or similarly acting material, so that light passing through it is polarised. 

  • A print from such a camera. 

verb
  • To photograph with a polaroid camera. 

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