decoding vs interpreting

decoding

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

interpreting

noun
  • Synonym of interpretation (the discipline or study of translating one spoken or signed language into another) 

  • Synonym of interpretation (an act of interpreting or explaining what is obscure) 

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