explanation vs interpreting

explanation

noun
  • Something that explains, makes understandable. 

  • A resolution of disputed points pursuant to discussion; a mutual clarification of disputed points; reconciliation. 

  • The act or process of explaining. 

interpreting

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

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

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