---
title: "BIP39 Word #125: auto — Seed Phrase Mnemonic Word"
url: "https://bip39-phrase.com/bip39-word/auto/"
language: "en"
updated: "2026-10-19T00:00:00+00:00"
---

Word #125 00001111100 

# auto — BIP39 word #125

"**auto**" is word #125 of the 2048 words in the official BIP39 English wordlist, between [author](/bip39-word/author/) and [autumn](/bip39-word/autumn/). In a seed phrase it stands for the 11-bit value `00001111100`, decimal index 124\. 

/ˈɔːtəʊ/  · _noun:_ an informal word for a car 

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

## 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):

[moon](/bip39-word/moon/)[exhibit](/bip39-word/exhibit/)[convince](/bip39-word/convince/)[buzz](/bip39-word/buzz/)[always](/bip39-word/always/)[argue](/bip39-word/argue/)[assault](/bip39-word/assault/)[attend](/bip39-word/attend/)[audit](/bip39-word/audit/)[average](/bip39-word/average/)[autumn](/bip39-word/autumn/) 

Position

Hex Index

0x07C

4-Letter Prefix

auto

## About "auto" in BIP39

- It takes all four letters to identify "auto": **"aut"** also begins [author](/bip39-word/author/) and [autumn](/bip39-word/autumn/).
- **"auto"** is unique only within the English list: it also begins automne in the [French list](/french/), autor in the [Spanish list](/spanish/), autonomo in the [Italian list](/italian/), autoria in the [Portuguese list](/portuguese/) and autobus in the [Czech list](/czech/), so a four-letter backup should say which list it uses.

## Word #125 in the Other 9 BIP39 Wordlists

[Czech](/czech/) bulva 

[French](/french/) apologie 

[Italian](/italian/) aragosta 

[Japanese](/japanese/) いもり 

[Korean](/korean/) 곡식 

[Portuguese](/portuguese/) amizade 

[Spanish](/spanish/) aplicar 

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

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

## Similar Words — Check Carefully During Recovery

Read aloud, "auto" /ˈɔːtəʊ/ is one sound away from this word: 

[toe /təʊ/](/bip39-word/toe/) 

Words sharing the first three letters "aut":

[author](/bip39-word/author/)[autumn](/bip39-word/autumn/) 

## More BIP39 Words Starting with "A"

[ #121 audit ](/bip39-word/audit/)[ #122 august ](/bip39-word/august/)[ #123 aunt ](/bip39-word/aunt/)[ #124 author ](/bip39-word/author/)[ #126 autumn ](/bip39-word/autumn/)[ #127 average ](/bip39-word/average/)[ #128 avocado ](/bip39-word/avocado/)[ #129 avoid ](/bip39-word/avoid/) 

[View all words starting with "A" ](/bip39-words/a/) 

## Seed phrase, key and recovery guides

- [How to Restore a Wallet From a Seed Phrase: Step by Step](/restore-wallet-from-seed-phrase/)
- [xpub, ypub and zpub: Extended Public Keys Explained](/xpub-ypub-zpub/)
- [SLIP-39 vs BIP39: Shamir Backup and 20-Word Shares Explained](/slip39-vs-bip39/)

[ Full BIP39 Wordlist ](/)