bimillenary /bī-milˈi-nə-ri/

1. A period of 2000 years
2. A 2000th anniversary

1. Happening every 2000 years
2. Relating to a 2000th anniversary

• jab
• jabbed
• jabber
• jabbered
• jabberer
• jabberers
• jabbering
• jabberingly
• jabberings
• jabbers
• jabberwock
• jabberwockies
• jabberwocks
• jabberwocky
• jabbing
• jabble
• jabbled
• jabbles
• jabbling
• jabers
• jabiru
• jabirus
• jaborandi
• jaborandis
• jabot