---
title: "BIP39 Word #165: behind — Seed Phrase Mnemonic Word"
url: "https://bip39-phrase.com/bip39-word/behind/"
language: "en"
updated: "2026-10-19T00:00:00+00:00"
---

Word #165 00010100100 

# behind — BIP39 word #165

"**behind**" is word #165 of the 2048 words in the official BIP39 English wordlist, between [behave](/bip39-word/behave/) and [believe](/bip39-word/believe/). In a seed phrase it stands for the 11-bit value `00010100100`, decimal index 164\. 

/bɪˈhaɪnd/  · _preposition:_ at or toward the back of something 

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

## Binary Representation

Three 1-bits and eight 0-bits; 165 of the 2048 indexes have exactly three 1-bits.

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

[nest](/bip39-word/nest/)[fee](/bip39-word/fee/)[cruel](/bip39-word/cruel/)[afraid](/bip39-word/afraid/)[broken](/bip39-word/broken/)[awesome](/bip39-word/awesome/)[bird](/bip39-word/bird/)[better](/bip39-word/better/)[beef](/bip39-word/beef/)[below](/bip39-word/below/)[believe](/bip39-word/believe/) 

Position

Hex Index

0x0A4

4-Letter Prefix

behi

## About "behind" in BIP39

- "behind" has 6 letters, but the first four, **"behi"**, already identify it, because **"beh"** also begins [behave](/bip39-word/behave/).
- "behind" appears in one of the 24 official English [test vectors](https://github.com/trezor/python-mnemonic/blob/master/vectors.json) of BIP39: vector #21 (word 9 of 24). 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 #21

[all](/bip39-word/all/) [hour](/bip39-word/hour/) [make](/bip39-word/make/) [first](/bip39-word/first/) [leader](/bip39-word/leader/) [extend](/bip39-word/extend/) [hole](/bip39-word/hole/) [alien](/bip39-word/alien/) behind [guard](/bip39-word/guard/) [gospel](/bip39-word/gospel/) [lava](/bip39-word/lava/) [path](/bip39-word/path/) [output](/bip39-word/output/) [census](/bip39-word/census/) [museum](/bip39-word/museum/) [junior](/bip39-word/junior/) [mass](/bip39-word/mass/) [reopen](/bip39-word/reopen/) [famous](/bip39-word/famous/) [sing](/bip39-word/sing/) [advance](/bip39-word/advance/) [salt](/bip39-word/salt/) [reform](/bip39-word/reform/) 

## Word #165 in the Other 9 BIP39 Wordlists

[Czech](/czech/) chmura 

[French](/french/) attentif 

[Italian](/italian/) ateismo 

[Japanese](/japanese/) うしなう 

[Korean](/korean/) 관찰 

[Portuguese](/portuguese/) aprovar 

[Spanish](/spanish/) asilo 

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

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

## Similar Words — Check Carefully During Recovery

Words sharing the first three letters "beh":

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

## More BIP39 Words Starting with "B"

[ #161 beef ](/bip39-word/beef/)[ #162 before ](/bip39-word/before/)[ #163 begin ](/bip39-word/begin/)[ #164 behave ](/bip39-word/behave/)[ #166 believe ](/bip39-word/believe/)[ #167 below ](/bip39-word/below/)[ #168 belt ](/bip39-word/belt/)[ #169 bench ](/bip39-word/bench/) 

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

## Seed phrase, key and recovery guides

- [Seed Phrase Examples: 12, 18 and 24 BIP39 Mnemonic Phrases](/mnemonic-words-examples-for-crypto-security-bip39/)
- [How to Protect Your Crypto Wallet from Phishing](/protect-crypto-wallet-from-phishing/)
- [Monero Seed Phrase: 25 Words, Polyseed and Private Keys](/seed-phrase-and-private-key-format-of-monero-guide/)

[ Full BIP39 Wordlist ](/)
