---
title: "BIP39 Word #1149: moon — Seed Phrase Mnemonic Word"
url: "https://bip39-phrase.com/bip39-word/moon/"
language: "en"
updated: "2026-10-19T00:00:00+00:00"
---

Word #1149 10001111100 

# moon — BIP39 word #1149

"**moon**" is word #1149 of the 2048 words in the official BIP39 English wordlist, between [month](/bip39-word/month/) and [moral](/bip39-word/moral/). In a seed phrase it stands for the 11-bit value `10001111100`, decimal index 1148\. 

/muːn/  · _noun:_ the natural object that orbits the earth and shines at night 

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

## 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):

[auto](/bip39-word/auto/)[sort](/bip39-word/sort/)[question](/bip39-word/question/)[panel](/bip39-word/panel/)[maple](/bip39-word/maple/)[merit](/bip39-word/merit/)[mirror](/bip39-word/mirror/)[model](/bip39-word/model/)[monitor](/bip39-word/monitor/)[more](/bip39-word/more/)[moral](/bip39-word/moral/) 

Position

Hex Index

0x47C

4-Letter Prefix

moon

## About "moon" in BIP39

- "moon" has 4 letters, but the first three, **"moo"**, already identify it, because **"mo"** also begins 20 other words, among them [mobile](/bip39-word/mobile/), [model](/bip39-word/model/), [modify](/bip39-word/modify/) and [mom](/bip39-word/mom/). Three letters are enough for only 604 of the 2048 words.

## Word #1149 in the Other 9 BIP39 Wordlists

[Czech](/czech/) oves 

[French](/french/) lionceau 

[Italian](/italian/) oliato 

[Japanese](/japanese/) たんき 

[Korean](/korean/) 연세 

[Portuguese](/portuguese/) lentilha 

[Spanish](/spanish/) minero 

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

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

## Similar Words — Check Carefully During Recovery

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

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

Read aloud, "moon" /muːn/ is one sound away from these 4 words: 

[main /meɪn/](/bip39-word/main/)[man /mæn/](/bip39-word/man/)[mean /miːn/](/bip39-word/mean/)[move /muːv/](/bip39-word/move/) 

## More BIP39 Words Starting with "M"

[ #1145 monitor ](/bip39-word/monitor/)[ #1146 monkey ](/bip39-word/monkey/)[ #1147 monster ](/bip39-word/monster/)[ #1148 month ](/bip39-word/month/)[ #1150 moral ](/bip39-word/moral/)[ #1151 more ](/bip39-word/more/)[ #1152 morning ](/bip39-word/morning/)[ #1153 mosquito ](/bip39-word/mosquito/) 

[View all words starting with "M" ](/bip39-words/m/) 

## Seed phrase, key and recovery guides

- [Cold Sharding: Splitting a Private Key Into Offline Shamir Shares](/cold-sharding-method-private-key-storage-strategy/)
- [Test Your Wallet Backup: A Self-Audit of Your Seed Phrase](/hack-own-crypto-wallet/)
- [EVM Address Format Explained: Structure & Usage](/format-evm-addresses/)

[ Full BIP39 Wordlist ](/)