engendering vs rendering

engendering

noun
  • The act by which something is engendered. 

rendering

noun
  • The act or process by which something is rendered. 

  • Version; translation. 

  • Sketch, illustration, or painting. 

  • The process of producing an image from an internal model, or the image thus produced. 

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