---
title: "BIP39 Word #210: boss — Seed Phrase Mnemonic Word"
url: "https://bip39-phrase.com/bip39-word/boss/"
language: "en"
updated: "2026-10-19T00:00:00+00:00"
---

Word #210 00011010001 

# boss — BIP39 word #210

"**boss**" is word #210 of the 2048 words in the official BIP39 English wordlist, between [borrow](/bip39-word/borrow/) and [bottom](/bip39-word/bottom/). In a seed phrase it stands for the 11-bit value `00011010001`, decimal index 209\. 

/bɒs/  · _noun:_ a person in charge of workers or an organization 

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

## Binary Representation

Four 1-bits and seven 0-bits; 330 of the 2048 indexes have exactly four 1-bits.

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

[olive](/bip39-word/olive/)[focus](/bip39-word/focus/)[demand](/bip39-word/demand/)[any](/bip39-word/any/)[banana](/bip39-word/banana/)[bullet](/bip39-word/bullet/)[blouse](/bip39-word/blouse/)[brass](/bip39-word/brass/)[boy](/bip39-word/boy/)[bounce](/bip39-word/bounce/)[borrow](/bip39-word/borrow/) 

Position

Hex Index

0x0D1

4-Letter Prefix

boss

## About "boss" in BIP39

- "boss" has 4 letters, but the first three, **"bos"**, already identify it, because **"bo"** also begins 16 other words, among them [board](/bip39-word/board/), [boat](/bip39-word/boat/), [body](/bip39-word/body/) and [boil](/bip39-word/boil/). Three letters are enough for only 604 of the 2048 words.

## Word #210 in the Other 9 BIP39 Wordlists

[Czech](/czech/) cvrkot 

[French](/french/) barrage 

[Italian](/italian/) batosta 

[Japanese](/japanese/) えいえん 

[Korean](/korean/) 궁극적 

[Portuguese](/portuguese/) atrevido 

[Spanish](/spanish/) azul 

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

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

## Similar Words — Check Carefully During Recovery

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

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

Read aloud, "boss" /bɒs/ is one sound away from these 4 words: 

[base /beɪs/](/bip39-word/base/)[bomb /bɒm/](/bip39-word/bomb/)[box /bɒks/](/bip39-word/box/)[bus /bʌs/](/bip39-word/bus/) 

## More BIP39 Words Starting with "B"

[ #206 boost ](/bip39-word/boost/)[ #207 border ](/bip39-word/border/)[ #208 boring ](/bip39-word/boring/)[ #209 borrow ](/bip39-word/borrow/)[ #211 bottom ](/bip39-word/bottom/)[ #212 bounce ](/bip39-word/bounce/)[ #213 box ](/bip39-word/box/)[ #214 boy ](/bip39-word/boy/) 

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

## Seed phrase, key and recovery guides

- [Is a Seed Phrase Case Sensitive? BIP39 Words vs Passphrase](/is-seed-phrase-case-sensitivity-really-important/)
- [BIP-444 (Now BIP 110): Reduced Data Temporary Softfork Explained](/bip-444-reduced-data-temporary-softfork/)
- [Metal Seed Phrase Backup: Steel Plates, Tiles and Tests](/metal-seed-phrase-backup/)

[ Full BIP39 Wordlist ](/)