document vs documentary

document

noun
  • Any material substance on which the information is represented by writing. 

  • An object conveying information by whatever means, capable of being indexed alongside other similar objects. 

  • An original or official paper used as the basis, proof, or support of anything else, including any writing, book, or other instrument conveying information pertinent to such proof or support. 

  • A file that contains text. 

verb
  • To furnish with documents or papers necessary to establish facts or give information. 

  • To record in documents. 

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. 

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