polylogy

plural polylogies

1. rareuncountableusuallyA set of two or more works of art that are connected, and that can be seen either as a single work or as individual works. They are commonly found in literature, film, or video games.

   1 more example

   1871 August Pfizmaier http://books.google.com/books?id=VHioUYa3a9UC&pg=PA76&dq=ennealogy These works […] appear, upon closer scrutiny, to be dramatic, and are actually the seventh and eighth parts of an "ennealogy" (as it were), perhaps polylogy, for dramas in Japan frequently are protracted to such lengths.

2. rareuncountableusuallyTalkativeness.