chronicling vs docudrama

chronicling

noun
  • The act by which something is chronicled. 

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. 

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