sexennial /sek-senˈyəl or -senˈi-əl/

1. Lasting six years
2. Recurring every six years

• spermatocele
• spermatoceles
• spermatocyte
• spermatocytes
• spermatogeneses
• spermatogenesis
• spermatogenetic
• spermatogenic
• spermatogenies
• spermatogenous
• spermatogeny
• spermatogonium
• spermatogoniums
• spermatophore
• spermatophores
• Spermatophyta
• spermatophyte
• spermatophytes
• spermatophytic
• spermatorrhea
• spermatorrheas
• spermatorrhoea
• spermatorrhoeas
• spermatotheca
• spermatothecae