pentalogy /pen-talˈə-ji/

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

• role-play
• role-played
• role-playing
• role-plays
• role reversal
• roles
• rolfer
• Rolfer
• rolfers
• Rolfing
• Rolfings
• roll
• rollable
• roll-about
• roll along
• rollaway
• rollaways
• roll back
• rollback
• rollbacks
• rollbar
• rollbars
• roll-call
• roll-calls
• rollcollar