documentary vs performance

documentary

noun
  • A film, TV program, publication etc. which presents a social, political, scientific or historical subject in a factual or informative manner. 

adj
  • Of, related to, or based on documents. 

  • Which serves to document (record and:or illustrate) a subject. 

  • Presented objectively without the insertion of fictional matter. 

performance

noun
  • That which is performed or accomplished; a thing done or carried through; an achievement; a deed; an act; a feat; especially, an action of an elaborate or public character. 

  • The amount of useful work accomplished estimated in terms of time needed, resources used, etc. 

  • The actual use of language in concrete situations by native speakers of a language, as opposed to the system of linguistic knowledge they possess (competence), cf. linguistic performance. 

  • The act of performing; carrying into execution or action; execution; achievement; accomplishment; representation by action. 

  • A live show or concert. 

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