sexennial /sek-senˈyəl or -senˈi-əl/

1. Lasting six years
2. Recurring every six years

• argyles
• Argyll
• argyria
• argyrias
• argyrite
• argyrites
• argyrodite
• argyrodites
• arhythmia
• arhythmias
• arhythmic
• atchieving
• at close quarters
• at cross purposes
• ATD
• at daggers drawn
• at death's door
• at discretion
• -ate
• ate
• Ate
• at each other's throats
• at ease
• atebrin
• atebrins