vicennial /vī-senˈyəl/

1. Lasting, or coming at the end of, twenty years
2. Occurring every twenty years

• aegises
• aeglogue
• aeglogues
• aegrotat
• aegrotats
• Aegyptian
• AELTC
• aelur-
• aeluro-
• aemule
• aemuled
• aemules
• aemuling
• Aeneolithic
• aeneous
• aeolian
• Aeolian
• aeolian deposits
• aeolian harp
• Aeolian harp
• aeolian harps
• Aeolian mode
• Aeolic
• aeolipile
• aeolipiles