vicennial /vī-senˈyəl/

1. Lasting, or coming at the end of, twenty years
2. Occurring every twenty years

• h
• H
• ha
• ha'
• Ha
• haaf
• haaf-fishing
• haaf-net
• haaf-nets
• haafs
• haanepoot
• elegiac stanzas
• elegiast
• elegiasts
• elegies
• elegise
• elegised
• elegises
• elegising
• elegist
• elegists
• elegit
• elegits
• elegize
• elegized