documentary vs pictorial

documentary

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. 

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

pictorial

adj
  • Of, relating to, composed of, or illustrated by pictures. 

  • Described or otherwise represented as if in a picture; graphic or vivid. 

  • Stylistically similar to a painting, especially following the conventions of pictorialism. 

noun
  • A newspaper or magazine with many pictures, or section thereof. 

  • A stamp featuring a vignette of local scenery or culture. 

  • An article primarily featuring many photographs, or simply a collection of photographs. 

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