sexennial /sek-senˈyəl or -senˈi-əl/

1. Lasting six years
2. Recurring every six years

• retiling
• retime
• retimed
• retimes
• retiming
• retina
• retina camera
• retina cameras
• retinacula
• retinacular
• retinaculum
• retinae
• retinal
• retinalite
• retinalites
• retinas
• retinispora
• retinisporas
• retinite
• retinites
• retinitis
• retinitises
• retinitis pigmentosa
• retinoblastoma
• retinoblastomas