remora /remˈə-rə/

1. The sucking-fish, formerly believed to stop ships by attaching its sucker
2. An obstacle (figurative)

• duckmoles
• duck out of
• duck-pond
• duck-ponds
• ducks
• duck's arse
• duck's-foot
• duck-shot
• duck-shots
• duckshove
• duckshoved
• duckshover
• duckshovers
• duckshoves
• duckshoving
• duck's-meat
• duck soup
• duck soups
• duck-tail
• duck-tails
• duckweed
• duckweeds
• Duckworth-Lewis method
• ducky
• duct