doppelgänger /dopˈl-gengˈər/ or doppelganger /-gangˈ/

1. A ghostly double of a human person, an apparition
2. A wraith

• lucubration
• lucubrations
• lucubrator
• lucubrators
• luculent
• luculently
• Lucullan
• Lucullean
• Lucullian
• Lucullic
• lucuma
• lucumas
• lucumo
• lucumones
• lucumos
• Lucy Stoner
• lud
• Luddism
• Luddite
• Ludditism
• luderick
• ludericks
• ludic
• ludically
• ludicrous