gaper vs imager

gaper

noun
  • One who gapes; a starer. 

  • The fish Champsodon capensis 

  • The comber, a fish of the species Serranus cabrilla. 

  • Any of several species of burrowing clams. 

  • An inexperienced skier. 

imager

noun
  • One who images or forms likenesses; a sculptor. 

  • A system that creates a digital copy such as a disk image. 

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