biennial /bī-enˈi-əl or -enˈyəl/

1. Lasting two years
2. Happening or appearing once in two years

1. A plant that flowers and fruits only in its second year, then dies
2. An event taking place or being celebrated every two years

• exhortative
• exhortatory
• exhorted
• exhorter
• exhorters
• exhorting
• exhorts
• exhumate
• exhumated
• exhumates
• exhumating
• exhumation
• exhumations
• exhume
• exhumed
• exhumer
• exhumers
• exhumes
• exhuming
• ex hypothesi
• exies
• exigeant
• exigeante
• exigence
• exigences