ectype vs imager

ectype

noun
  • An impression (in wax, clay, &c.) of a seal or medal. 

  • A copy, reproduction; especially as contrasted with the original, archetype, or prototype. 

  • An object in relievo or embossed. 

  • An idea or impression that corresponds to external reality. 

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 ectype and imager occurred in a corpus of books? (source: Google Ngram Viewer )