Solutions walk like a duck? has 5 entries with similar clues

• 5-letter words
• quackSound like a duck
• ruddyRed in the face like duck
• 7-letter words
• twaddleWalk like a duck at start of trip? Rubbish!
• 8-letter words
• platypusAn unusual mammal with a beak like duck and a tail like beaver
• 16-letter words
• having-no-effectLike water off a duck's back