syzygy /sizˈi-ji/

1. Conjunction or opposition
2. The period of new or full moon (astronomy)
3. A dipody (classical prosody)

• dumbfounded
• dumbfounder
• dumbfoundered
• dumbfoundering
• dumbfounders
• dumbfounding
• dumbfounds
• dumbing
• dumbing-down
• dumbledore
• dumbledores
• dumbly
• dumbness
• dumbnesses
• dumbo
• dumbos
• green manure
• green manuring
• green men
• green monkey
• green monkey disease
• green monkeys
• greenness
• greennesses
• greenockite