photography vs pic

photography

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

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

pic

noun
  • A picture, especially a photographic image. 

  • A movie. 

  • A Turkish cloth measure, varying from 18 to 28 inches. 

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