octennial /ok-tenˈyəl, -i-əl/

1. Happening every eighth year
2. Lasting eight years

octennˈially adverb

• emblematists
• emblematize
• emblematized
• emblematizes
• emblematizing
• emblemed
• emblements
• embleming
• emblemise
• emblemised
• emblemises
• emblemising
• emblemize
• emblemized
• emblemizes
• emblemizing
• emblems
• emblic
• emblic myrobalan
• emblics
• embloom
• embloomed
• emblooming
• emblooms
• emblossom