1. Occurring once every 20 years

See also: twenty

• ginger pop
• Ginger Rogers
• ginger up
• ginger-scented
• gingerbread
• gingerbread man
• gingerly
• gingerol
• gingerroot
• gingersnap
• gingery
• gingham
• gingiva
• gingival
• gingivitis
• gingko
• ginglymoid joint
• Ginglymostoma
• Ginglymostoma cirratum
• ginglymus
• ginkgo
• Ginkgo biloba
• ginkgo family
• Ginkgoaceae
• Ginkgoales