sexennial /sek-senˈyəl or -senˈi-əl/

1. Lasting six years
2. Recurring every six years

sexennˈially adverb

• orange roughies
• orange roughy
• orangery
• oranges
• orange squash
• orange squashes
• orange-squeezer
• orange-squeezers
• orangest
• orange stick
• orange sticks
• orange-tawny
• orange-tip
• orange-tips
• orange tree
• orange trees
• orange-wife
• orange-wives
• orange-wood
• orangey
• orangier
• orangiest
• orangish
• Orangism
• orang-outang