decoding vs rendering

decoding

noun
  • An instance of the translation of something into a form more suitable for subsequent processing. 

rendering

noun
  • Version; translation. 

  • The act or process by which something is rendered. 

  • Sketch, illustration, or painting. 

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

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