vicennial /vī-senˈyəl/

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

• blits
• BLitt
• blitted
• blitter
• blitters
• blitting
• blitz
• blitzed
• blitzes
• blitzing
• blitzkrieg
• blitzkriegs
• blive
• blizzard
• blizzardly
• blizzards
• blizzardy
• bloat
• bloated
• bloated capitalists
• bloatedness
• bloatednesses
• bloater
• bloaters
• bloating