sexennial /sek-senˈyəl or -senˈi-əl/

1. Lasting six years
2. Recurring every six years

sexennˈially adverb

• frithstools
• fritillaries
• fritillary
• frit porcelain
• frits
• frittata
• frittatas
• fritted
• fritter
• frittered
• fritterer
• fritterers
• frittering
• fritters
• fritting
• fritto misto
• friture
• fritures
• fritz
• fritzes
• frivol
• frivolities
• frivolity
• frivolled
• frivolling