commentary vs rendition

commentary

noun
  • A series of comments or annotations; especially, a book of explanations or expositions on the whole or a part of some other work. 

  • An oral relation of an event, especially broadcast by television or radio, as it occurs. 

  • A brief account of transactions or events written hastily, as if for a memorandum. 

rendition

noun
  • An interpretation or performance of an artwork, especially a musical score or musical work. 

  • Formal deliverance of a verdict. 

  • Translation between languages, or between forms of a language; a translated text or work. 

  • A given visual reproduction of something. 

  • The handing-over of someone wanted for justice who has fled a given jurisdiction; extradition. 

verb
  • To surrender or hand over (a person or thing); especially, for one jurisdiction to do so to another. 

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