---
title: "BIP39 Word #672: fault — Seed Phrase Mnemonic Word"
url: "https://bip39-phrase.com/bip39-word/fault/"
language: "en"
updated: "2026-10-19T00:00:00+00:00"
---

Word #672 01010011111 

# fault — BIP39 word #672

"**fault**" is word #672 of the 2048 words in the official BIP39 English wordlist, between [fatigue](/bip39-word/fatigue/) and [favorite](/bip39-word/favorite/). In a seed phrase it stands for the 11-bit value `01010011111`, decimal index 671\. 

/fɔːlt/  · _noun:_ responsibility for a mistake, or a defect in something 

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

## Binary Representation

Seven 1-bits and four 0-bits; 330 of the 2048 indexes have exactly seven 1-bits.

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

[stadium](/bip39-word/stadium/)[become](/bip39-word/become/)[initial](/bip39-word/initial/)[dumb](/bip39-word/dumb/)[fossil](/bip39-word/fossil/)[fitness](/bip39-word/fitness/)[faint](/bip39-word/faint/)[fancy](/bip39-word/fancy/)[fat](/bip39-word/fat/)[father](/bip39-word/father/)[fatigue](/bip39-word/fatigue/) 

Position

Hex Index

0x29F

4-Letter Prefix

faul

## About "fault" in BIP39

- "fault" has 5 letters, but the first three, **"fau"**, already identify it, because **"fa"** also begins 21 other words, among them [fabric](/bip39-word/fabric/), [face](/bip39-word/face/), [faculty](/bip39-word/faculty/) and [fade](/bip39-word/fade/). Three letters are enough for only 604 of the 2048 words.

## Word #672 in the Other 9 BIP39 Wordlists

[Czech](/czech/) kredit 

[French](/french/) enfermer 

[Italian](/italian/) focaccia 

[Japanese](/japanese/) ごますり 

[Korean](/korean/) 본사 

[Portuguese](/portuguese/) elenco 

[Spanish](/spanish/) fábula 

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

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

## Similar Words — Check Carefully During Recovery

 One BIP39 word differs from "fault" by just a single letter — the most common source of typos when a seed phrase is entered by hand: 

[vault](/bip39-word/vault/) 

Read aloud, "fault" /fɔːlt/ is one sound away from these 3 words: 

[fall /fɔːl/](/bip39-word/fall/)[false /fɔːls/](/bip39-word/false/)[salt /sɔːlt/](/bip39-word/salt/) 

## More BIP39 Words Starting with "F"

[ #668 fat ](/bip39-word/fat/)[ #669 fatal ](/bip39-word/fatal/)[ #670 father ](/bip39-word/father/)[ #671 fatigue ](/bip39-word/fatigue/)[ #673 favorite ](/bip39-word/favorite/)[ #674 feature ](/bip39-word/feature/)[ #675 february ](/bip39-word/february/)[ #676 federal ](/bip39-word/federal/) 

[View all words starting with "F" ](/bip39-words/f/) 

## Seed phrase, key and recovery guides

- [How to Generate a BIP39 Seed Phrase with Dice, Step by Step](/seed-phrase-with-dice/)
- [Derivation Path Explained: What m/44'/0'/0'/0/0 Means](/derivation-path/)
- [Seed Phrase Scams: How Thieves Get Your Recovery Words](/seed-phrase-scams/)

[ Full BIP39 Wordlist ](/)