pentalogy - Wiktionary, the free dictionary

From Wiktionary, the free dictionary

From penta- +‎ -logy.

pentalogy (plural pentalogies)

1. A set of five works of art that are connected, and that can be seen either as a single work or as five individual works.

• dilogy (2)
• trilogy (3)
• tetralogy (4)
• hexalogy (6)
• heptalogy (7)
• octalogy (8)
• ennealogy (9)
• decalogy (10)
• polylogy (2+)