---
title: "BIP39 Word #137: baby — Seed Phrase Mnemonic Word"
url: "https://bip39-phrase.com/bip39-word/baby/"
language: "en"
updated: "2026-10-19T00:00:00+00:00"
---

Word #137 00010001000 

# baby — BIP39 word #137

"**baby**" is word #137 of the 2048 words in the official BIP39 English wordlist, between [axis](/bip39-word/axis/) and [bachelor](/bip39-word/bachelor/). In a seed phrase it stands for the 11-bit value `00010001000`, decimal index 136\. 

/ˈbeɪbi/  · _noun:_ a very young child, especially one that cannot walk yet 

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

## Binary Representation

Two 1-bits and nine 0-bits; 55 of the 2048 indexes have exactly two 1-bits.

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

[much](/bip39-word/much/)[extra](/bip39-word/extra/)[country](/bip39-word/country/)[absurd](/bip39-word/absurd/)[boil](/bip39-word/boil/)[bench](/bip39-word/bench/)[basic](/bip39-word/basic/)[avoid](/bip39-word/avoid/)[bag](/bip39-word/bag/)[bacon](/bip39-word/bacon/)[bachelor](/bip39-word/bachelor/) 

Position

Hex Index

0x088

4-Letter Prefix

baby

## About "baby" in BIP39

- "baby" has 4 letters, but the first three, **"bab"**, already identify it, because **"ba"** also begins 18 other words, among them [bachelor](/bip39-word/bachelor/), [bacon](/bip39-word/bacon/), [badge](/bip39-word/badge/) and [bag](/bip39-word/bag/). Three letters are enough for only 604 of the 2048 words.
- "baby" appears in one of the 24 official English [test vectors](https://github.com/trezor/python-mnemonic/blob/master/vectors.json) of BIP39: vector #16 (word 5 of 12). Every official vector passes the [checksum checker](/bip39-checksum-checker/), and [How BIP39 works](/how-bip39-works/) shows how the entropy turns into such words.

Official test vector #16

[scheme](/bip39-word/scheme/) [spot](/bip39-word/spot/) [photo](/bip39-word/photo/) [card](/bip39-word/card/) baby [mountain](/bip39-word/mountain/) [device](/bip39-word/device/) [kick](/bip39-word/kick/) [cradle](/bip39-word/cradle/) [pact](/bip39-word/pact/) [join](/bip39-word/join/) [borrow](/bip39-word/borrow/) 

## Word #137 in the Other 9 BIP39 Wordlists

[Czech](/czech/) carevna 

[French](/french/) arlequin 

[Italian](/italian/) aria 

[Japanese](/japanese/) いろえんぴつ 

[Korean](/korean/) 공부 

[Portuguese](/portuguese/) andaime 

[Spanish](/spanish/) árbol 

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

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

## More BIP39 Words Starting with "B"

[ #138 bachelor ](/bip39-word/bachelor/)[ #139 bacon ](/bip39-word/bacon/)[ #140 badge ](/bip39-word/badge/)[ #141 bag ](/bip39-word/bag/)[ #250 busy ](/bip39-word/busy/)[ #251 butter ](/bip39-word/butter/)[ #252 buyer ](/bip39-word/buyer/)[ #253 buzz ](/bip39-word/buzz/) 

[View all words starting with "B" ](/bip39-words/b/) 

## Seed phrase, key and recovery guides

- [Seed Phrase vs Private Key: What's the Difference?](/seed-phrase-vs-private-key/)
- [Private Key QR Code Risks: Why Online Generators Are Unsafe](/qr-code-private-key-security-risks/)
- [Seed Phrase Formats by Network: BIP39 and the Exceptions](/seed-phrase-formats-by-network/)

[ Full BIP39 Wordlist ](/)