idiom vs interpreting

idiom

noun
  • A programming construct or phraseology that is characteristic of the language. 

  • An artistic style (for example, in art, architecture, or music); an instance of such a style. 

  • A manner of speaking, a mode of expression peculiar to a language, language family, or group of people. 

  • An established phrasal expression whose meaning may not be deducible from the literal meanings of its component words. 

  • A language or language variety; specifically, a restricted dialect used in a given historical period, context etc. 

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 idiom and interpreting occurred in a corpus of books? (source: Google Ngram Viewer )