graphic vs photoengraving

graphic

noun
  • A computer-generated image as viewed on a screen forming part of a game or a film etc. 

  • A moth of the subfamily Melipotini. 

  • A drawing or picture. 

adj
  • Drawn, pictorial. 

  • Having a texture that resembles writing, commonly created by exsolution, devitrification and immiscibility processes in igneous rocks. 

  • Vivid, descriptive, often in relation to depictions of sex or violence. 

photoengraving

noun
  • A process of transferring a photographic image onto a plate which is then etched and printed. 

  • A plate or reproduction made using this process. 

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