---
title: "BIP39 Word #543: duck — Seed Phrase Mnemonic Word"
url: "https://bip39-phrase.com/bip39-word/duck/"
language: "en"
updated: "2026-10-19T00:00:00+00:00"
---

Word #543 01000011110 

# duck — BIP39 word #543

"**duck**" is word #543 of the 2048 words in the official BIP39 English wordlist, between [dry](/bip39-word/dry/) and [dumb](/bip39-word/dumb/). In a seed phrase it stands for the 11-bit value `01000011110`, decimal index 542\. 

/dʌk/  · _noun:_ a water bird with a broad flat beak and webbed feet 

[Russian](/ru/ "The BIP39 wordlist with Russian translations"): утка 

## Binary Representation

Five 1-bits and six 0-bits; 462 of the 2048 indexes have exactly five 1-bits.

One wrong bit turns it into (leftmost bit first):

[sense](/bip39-word/sense/)[adult](/bip39-word/adult/)[glow](/bip39-word/glow/)[fatigue](/bip39-word/fatigue/)[envelope](/bip39-word/envelope/)[elephant](/bip39-word/elephant/)[dove](/bip39-word/dove/)[drift](/bip39-word/drift/)[drive](/bip39-word/drive/)[drum](/bip39-word/drum/)[dumb](/bip39-word/dumb/) 

Position

Hex Index

0x21E

4-Letter Prefix

duck

## About "duck" in BIP39

- "duck" has 4 letters, but the first three, **"duc"**, already identify it, because **"du"** also begins [dumb](/bip39-word/dumb/), [dune](/bip39-word/dune/), [during](/bip39-word/during/), [dust](/bip39-word/dust/), [dutch](/bip39-word/dutch/) and [duty](/bip39-word/duty/). Three letters are enough for only 604 of the 2048 words.

## Word #543 in the Other 9 BIP39 Wordlists

[Czech](/czech/) kadidlo 

[French](/french/) descente 

[Italian](/italian/) elegante 

[Japanese](/japanese/) けちらす 

[Korean](/korean/) 미용실 

[Portuguese](/portuguese/) culatra 

[Spanish](/spanish/) dieta 

[Traditional Chinese](/chinese-traditional/) 師 

[Simplified Chinese](/chinese-simplified/) 师 

## Similar Words — Check Carefully During Recovery

Read aloud, "duck" /dʌk/ is one sound away from these 3 words: 

[dove /dʌv/](/bip39-word/dove/)[dumb /dʌm/](/bip39-word/dumb/)[dutch /dʌʧ/](/bip39-word/dutch/) 

## More BIP39 Words Starting with "D"

[ #539 drive ](/bip39-word/drive/)[ #540 drop ](/bip39-word/drop/)[ #541 drum ](/bip39-word/drum/)[ #542 dry ](/bip39-word/dry/)[ #544 dumb ](/bip39-word/dumb/)[ #545 dune ](/bip39-word/dune/)[ #546 during ](/bip39-word/during/)[ #547 dust ](/bip39-word/dust/) 

[View all words starting with "D" ](/bip39-words/d/) 

## Seed phrase, key and recovery guides

- [How to Encrypt a Seed Phrase: AES, XOR and Steganography](/seed-phrase-encrypting-with-aes-xor-and-steganography/)
- [Bitcoin Improvement Proposal (BIP): Process and Deployed BIP List](/bitcoin-improvement-proposal/)
- [TON Seed Phrase: 24-Word Format vs 12-Word BIP39 Phrases](/seed-phrase-format-for-ton-wallets/)

[ Full BIP39 Wordlist ](/)