docudrama vs infotainment

docudrama

noun
  • A type of drama (a film, a television show, or a play) that combines elements of documentary and drama, to some extent showing real events and to some extent using actors performing recreations of documented events. 

infotainment

noun
  • A form of programming (cinematic, television, live action, etc.) that provides both information and entertainment; also known as soft news, the information in infotainment programming consists of mostly celebrity news and human drama. 

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