---
title: "BIP39 Word #1598: sibling — Seed Phrase Mnemonic Word"
url: "https://bip39-phrase.com/bip39-word/sibling/"
language: "en"
updated: "2026-10-19T00:00:00+00:00"
---

Word #1598 11000111101 

# sibling — BIP39 word #1598

"**sibling**" is word #1598 of the 2048 words in the official BIP39 English wordlist, between [shy](/bip39-word/shy/) and [sick](/bip39-word/sick/). In a seed phrase it stands for the 11-bit value `11000111101`, decimal index 1597\. 

/ˈsɪblɪŋ/  · _noun:_ a brother or sister 

[Russian](/ru/ "The BIP39 wordlist with Russian translations"): брат или сестра 

## 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):

[element](/bip39-word/element/)[marble](/bip39-word/marble/)[tray](/bip39-word/tray/)[stumble](/bip39-word/stumble/)[soul](/bip39-word/soul/)[senior](/bip39-word/senior/)[shield](/bip39-word/shield/)[shop](/bip39-word/shop/)[shrimp](/bip39-word/shrimp/)[side](/bip39-word/side/)[shy](/bip39-word/shy/) 

Position

Hex Index

0x63D

4-Letter Prefix

sibl

## About "sibling" in BIP39

- "sibling" has 7 letters, but the first three, **"sib"**, already identify it, because **"si"** also begins 18 other words, among them [sick](/bip39-word/sick/), [side](/bip39-word/side/), [siege](/bip39-word/siege/) and [sight](/bip39-word/sight/). Three letters are enough for only 604 of the 2048 words.
- "sibling" appears in one of the 24 official English [test vectors](https://github.com/trezor/python-mnemonic/blob/master/vectors.json) of BIP39: vector #22 (word 6 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 #22

[vessel](/bip39-word/vessel/) [ladder](/bip39-word/ladder/) [alter](/bip39-word/alter/) [error](/bip39-word/error/) [federal](/bip39-word/federal/) sibling [chat](/bip39-word/chat/) [ability](/bip39-word/ability/) [sun](/bip39-word/sun/) [glass](/bip39-word/glass/) [valve](/bip39-word/valve/) [picture](/bip39-word/picture/) 

## Word #1598 in the Other 9 BIP39 Wordlists

[Czech](/czech/) sranda 

[French](/french/) ravin 

[Italian](/italian/) scuola 

[Japanese](/japanese/) はんだん 

[Korean](/korean/) 중세 

[Portuguese](/portuguese/) rachar 

[Spanish](/spanish/) reptil 

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

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

## More BIP39 Words Starting with "S"

[ #1594 shrimp ](/bip39-word/shrimp/)[ #1595 shrug ](/bip39-word/shrug/)[ #1596 shuffle ](/bip39-word/shuffle/)[ #1597 shy ](/bip39-word/shy/)[ #1599 sick ](/bip39-word/sick/)[ #1600 side ](/bip39-word/side/)[ #1601 siege ](/bip39-word/siege/)[ #1602 sight ](/bip39-word/sight/) 

[View all words starting with "S" ](/bip39-words/s/) 

## Seed phrase, key and recovery guides

- [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/)
- [Why You Should Never Create Your Own Seed Phrase](/why-you-should-never-create-your-own-seed-phrase/)

[ Full BIP39 Wordlist ](/)