pentalogy /pen-talˈə-ji/

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

• traitor
• traitorhood
• traitorhoods
• traitorism
• traitorisms
• traitorly
• traitorous
• traitorously
• traitorousness
• traitorousnesses
• traitors
• traitorship
• traitorships
• traitress
• traitresses
• traits
• traject
• trajected
• trajecting
• trajection
• trajections
• trajectories
• trajectory
• trajects
• tra-la