pentalogy /pen-talˈə-ji/

1. A pentad, esp of published works
2. A series of five related books

• colloque
• colloqued
• colloques
• colloquia
• colloquial
• colloquialism
• colloquialisms
• colloquialist
• colloquialists
• colloquially
• colloquied
• colloquies
• colloquing
• colloquise
• colloquised
• colloquises
• colloquising
• colloquist
• colloquists
• colloquium
• colloquiums
• colloquize
• colloquized
• colloquizes
• colloquizing