---
title: "BIP39 Word #722: focus — Seed Phrase Mnemonic Word"
url: "https://bip39-phrase.com/bip39-word/focus/"
language: "en"
updated: "2026-10-19T00:00:00+00:00"
---

Word #722 01011010001 

# focus — BIP39 word #722

"**focus**" is word #722 of the 2048 words in the official BIP39 English wordlist, between [foam](/bip39-word/foam/) and [fog](/bip39-word/fog/). In a seed phrase it stands for the 11-bit value `01011010001`, decimal index 721\. 

/ˈfəʊkəs/  · _verb:_ to give all your attention to something, or adjust a lens 

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

## Binary Representation

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

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

[surface](/bip39-word/surface/)[boss](/bip39-word/boss/)[kick](/bip39-word/kick/)[enforce](/bip39-word/enforce/)[fall](/bip39-word/fall/)[funny](/bip39-word/funny/)[flag](/bip39-word/flag/)[forest](/bip39-word/forest/)[follow](/bip39-word/follow/)[foil](/bip39-word/foil/)[foam](/bip39-word/foam/) 

Position

Hex Index

0x2D1

4-Letter Prefix

focu

## About "focus" in BIP39

- "focus" has 5 letters, but the first three, **"foc"**, already identify it, because **"fo"** also begins 18 other words, among them [foam](/bip39-word/foam/), [fog](/bip39-word/fog/), [foil](/bip39-word/foil/) and [fold](/bip39-word/fold/). Three letters are enough for only 604 of the 2048 words.

## Word #722 in the Other 9 BIP39 Wordlists

[Czech](/czech/) lachtan 

[French](/french/) espoir 

[Italian](/italian/) gaffe 

[Japanese](/japanese/) さぎょう 

[Korean](/korean/) 비난 

[Portuguese](/portuguese/) enviado 

[Spanish](/spanish/) finca 

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

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

## More BIP39 Words Starting with "F"

[ #718 fluid ](/bip39-word/fluid/)[ #719 flush ](/bip39-word/flush/)[ #720 fly ](/bip39-word/fly/)[ #721 foam ](/bip39-word/foam/)[ #723 fog ](/bip39-word/fog/)[ #724 foil ](/bip39-word/foil/)[ #725 fold ](/bip39-word/fold/)[ #726 follow ](/bip39-word/follow/) 

[View all words starting with "F" ](/bip39-words/f/) 

## Seed phrase, key and recovery guides

- [BIP 157 Client-Side Block Filtering: Compact Filters Explained](/bip-157-client-side-block-filtering/)
- [Bitcoin Core Seed Phrase: Why There Is None and How to Back Up](/bitcoin-core-seed-phrase-backup-guide/)
- [BIP38 Encrypted Private Keys: 6P Format and How to Decrypt](/bip38/)

[ Full BIP39 Wordlist ](/)