octennial /ok-tenˈyəl, -i-əl/

1. Happening every eighth year
2. Lasting eight years

octennˈially adverb

• god
• God-almighty
• God-a-mercy
• god-awful
• god-botherer
• god-botherers
• godchild
• godchildren
• goddam
• goddamn
• goddamned
• goddaughter
• goddaughters
• god day
• godded
• god-den
• godden
• goddess
• goddesses
• goddess-ship
• godding
• godet
• godetia
• godetias
• godets