---
title: "BIP39 Word #947: iron — Seed Phrase Mnemonic Word"
url: "https://bip39-phrase.com/bip39-word/iron/"
language: "en"
updated: "2026-10-19T00:00:00+00:00"
---

Word #947 01110110010 

# iron — BIP39 word #947

"**iron**" is word #947 of the 2048 words in the official BIP39 English wordlist, between [involve](/bip39-word/involve/) and [island](/bip39-word/island/). In a seed phrase it stands for the 11-bit value `01110110010`, decimal index 946\. 

/ˈaɪən/  · _noun:_ a strong hard gray metal, or a device for smoothing clothes 

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

## Binary Representation

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

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

[wagon](/bip39-word/wagon/)[curve](/bip39-word/curve/)[film](/bip39-word/film/)[green](/bip39-word/green/)[layer](/bip39-word/layer/)[inch](/bip39-word/inch/)[inmate](/bip39-word/inmate/)[jar](/bip39-word/jar/)[item](/bip39-word/item/)[invite](/bip39-word/invite/)[island](/bip39-word/island/) 

Position

Hex Index

0x3B2

4-Letter Prefix

iron

## About "iron" in BIP39

- Two letters are enough: no other BIP39 word begins with **"ir"**, which makes "iron" one of only 34 words that can be told apart this early.
- **"iron"** is unique only within the English list: it also begins ironique in the [French list](/french/), ironía in the [Spanish list](/spanish/), ironico in the [Italian list](/italian/), ironizar in the [Portuguese list](/portuguese/) and ironie in the [Czech list](/czech/), so a four-letter backup should say which list it uses.

## Word #947 in the Other 9 BIP39 Wordlists

[Czech](/czech/) nebe 

[French](/french/) grotte 

[Italian](/italian/) lutto 

[Japanese](/japanese/) せつだん 

[Korean](/korean/) 스튜디오 

[Portuguese](/portuguese/) gostoso 

[Spanish](/spanish/) jornada 

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

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

## Similar Words — Check Carefully During Recovery

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

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

Read aloud, "iron" /ˈaɪən/ is one sound away from this word: 

[lion /ˈlaɪən/](/bip39-word/lion/) 

## More BIP39 Words Starting with "I"

[ #943 into ](/bip39-word/into/)[ #944 invest ](/bip39-word/invest/)[ #945 invite ](/bip39-word/invite/)[ #946 involve ](/bip39-word/involve/)[ #948 island ](/bip39-word/island/)[ #949 isolate ](/bip39-word/isolate/)[ #950 issue ](/bip39-word/issue/)[ #951 item ](/bip39-word/item/) 

[View all words starting with "I" ](/bip39-words/i/) 

## Seed phrase, key and recovery guides

- [Metal Seed Phrase Backup: Steel Plates, Tiles and Tests](/metal-seed-phrase-backup/)
- [Invalid Seed Phrase? How to Find and Fix a Wrong Word (BIP39)](/how-to-fix-seed-phrase-errors/)
- [Ethereum Keystore File (JSON Wallet): Structure and Security](/json-wallets-explained/)

[ Full BIP39 Wordlist ](/)