duodecennial /dū-ō-di-senˈyəl/

Occurring every twelve years

• bignesses
• big noise
• big noises
• bignonia
• Bignoniaceae
• bignoniaceous
• bignonias
• big-note
• big-noted
• big-notes
• big-noting
• bigot
• bigoted
• bigotries
• bigotry
• bigots
• Big Pharma
• big pot
• bigs
• big science
• big screen
• big-screen
• big shot
• big shots
• big society